Hydrotalcite Group

Pyroaurite

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Hydrotalcite

Bazhenovsk deposit, Asbest, Sverdlovsk Oblast, Russia

Iowaite

Palabora Mine, Phalaborwa, Ba-Phalaborwa Local Municipality, Mopani District Municipality, Limpopo, South Africa

Pyroaurite

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Hydrotalcite

Bazhenovsk deposit, Asbest, Sverdlovsk Oblast, Russia

Iowaite

Palabora Mine, Phalaborwa, Ba-Phalaborwa Local Municipality, Mopani District Municipality, Limpopo, South Africa

Pyroaurite

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Hydrotalcite

Bazhenovsk deposit, Asbest, Sverdlovsk Oblast, Russia

About Hydrotalcite GroupHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0014738	Hydrotalcite	Allmann R, Jepsen H P (1969) Die struktur des hydrotalkits Neues Jahrbuch fur Mineralogie, Monatshefte 1969 544-551		1969	Vezna, Western Moravia	0	293
0000189	Iowaite	Allmann R, Donnay J D H (1969) About the structure of iowaite American Mineralogist 54 296-299		1969		0	293
0014506	Iowaite	Braithwaite R S W, Dunn P J, Pritchard R G, Paar W H (1994) Iowaite, a re-investigation Mineralogical Magazine 58 79-85		1994	Palabora open pit mine, Phalaborwa, Transvaal	0	293
0014447	Pyroaurite	Ingram L, Taylor H F W (1967) The crystal structures of sjoegrenite and pyroaurite Mineralogical Magazine 36 465-479		1967	Sweden	0	293
0019806	Takovite	Mills S J, Whitfield P S, Kampf A R, Wilson S A, Dipple G M, Raudsepp M, Favreau G (2012) Contribution to the crystallography of hydrotalcites: the crystal structures of woodallite and takovite Journal of Geosciences 58 273-279		2012	Agoudal mine, Bou Azzer district, Tazenakht, Morocco	0	293
0019807	Woodallite	Mills S J, Whitfield P S, Kampf A R, Wilson S A, Dipple G M, Raudsepp M, Favreau G (2012) Contribution to the crystallography of hydrotalcites: the crystal structures of woodallite and takovite Journal of Geosciences 58 273-279		2012	Mount Keith Nickel Mine, Western Australia, Australia	0	293

CIF Raw Data - click here to closedata_global _chemical_name_mineral 'Hydrotalcite' loop_ _publ_author_name 'Allmann R' 'Jepsen H P' _journal_name_full 'Neues Jahrbuch fur Mineralogie, Monatshefte' _journal_volume 1969 _journal_year 1969 _journal_page_first 544 _journal_page_last 551 _publ_section_title ; Die struktur des hydrotalkits ; _database_code_amcsd 0014738 _chemical_compound_source 'Vezna, Western Moravia' _chemical_formula_sum '(Mg.667 Al.333) O3 H3 C.167' _cell_length_a 3.054 _cell_length_b 3.054 _cell_length_c 22.81 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 184.244 _exptl_crystal_density_diffrn 2.115 _symmetry_space_group_name_H-M 'R -3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '2/3+x,1/3+y,1/3+z' '1/3+x,2/3+y,2/3+z' 'x,x-y,z' '2/3+x,1/3+x-y,1/3+z' '1/3+x,2/3+x-y,2/3+z' 'y,x,-z' '2/3+y,1/3+x,1/3-z' '1/3+y,2/3+x,2/3-z' '-x+y,y,z' '2/3-x+y,1/3+y,1/3+z' '1/3-x+y,2/3+y,2/3+z' '-x,-x+y,-z' '2/3-x,1/3-x+y,1/3-z' '1/3-x,2/3-x+y,2/3-z' '-y,-x,z' '2/3-y,1/3-x,1/3+z' '1/3-y,2/3-x,2/3+z' 'x-y,-y,-z' '2/3+x-y,1/3-y,1/3-z' '1/3+x-y,2/3-y,2/3-z' 'y,-x+y,-z' '2/3+y,1/3-x+y,1/3-z' '1/3+y,2/3-x+y,2/3-z' '-x+y,-x,z' '2/3-x+y,1/3-x,1/3+z' '1/3-x+y,2/3-x,2/3+z' '-x,-y,-z' '2/3-x,1/3-y,1/3-z' '1/3-x,2/3-y,2/3-z' '-y,x-y,z' '2/3-y,1/3+x-y,1/3+z' '1/3-y,2/3+x-y,2/3+z' 'x-y,x,-z' '2/3+x-y,1/3+x,1/3-z' '1/3+x-y,2/3+x,2/3-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Mg 0.00000 0.00000 0.00000 0.66667 Al 0.00000 0.00000 0.00000 0.33333 O1 0.00000 0.00000 0.37710 1.00000 H1 0.00000 0.00000 0.41440 1.00000 C 0.00000 0.00000 0.16700 0.08333 O2 0.09200 -0.09200 0.50000 0.08333 Wat 0.09200 -0.09200 0.50000 0.08333 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Mg 0.01862 0.01862 0.02214 0.00931 0.00000 0.00000 Al 0.01862 0.01862 0.02214 0.00931 0.00000 0.00000 O1 0.03040 0.03040 0.02372 0.01520 0.00000 0.00000 H1 0.03825 0.03825 0.02609 0.01912 0.00000 0.00000 C 0.07650 0.07650 0.02609 0.03825 0.00000 0.00000 O2 0.13931 0.13931 0.02557 0.08612 0.00000 0.00000 Wat 0.13931 0.13931 0.02557 0.08612 0.00000 0.00000

Synonyms of Hydrotalcite GroupHide

Relationship of Hydrotalcite Group to other SpeciesHide

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Hydrotalcite Group in petrologyHide

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References for Hydrotalcite GroupHide

Localities for Hydrotalcite GroupHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Argentina
La Rioja Province Vinchina department Jagüé Sierra de Cumichango Quebrada de Cumichango ⓘ San Santiago mine	[Reevesite] Las Especies Minerales de La Republica Argentina
Atlantic Ocean
ⓘ Iberia Abyssal Plain	[Iowaite] Plas, A. A. (1997). Petrologic and stable isotope constraints on fluid-rock interaction, serpentinization and alternation of oceanic ultramafic rocks (Doctoral dissertation, ETH Zurich).
Walvis Ridge ⓘ ODP Site 1272	[Iowaite] Moll, M., Paulick, H., Suhr, G., & Bach, W. (2007). Data report: microprobe analyses of primary phases (olivine, pyroxene, and spinel) and alteration products (serpentine, iowaite, talc, magnetite, and sulfides) in Holes 1268A, 1272A, and 1274A. In Proceedings of the Ocean Drilling Program, Scientific Results (Vol. 209, pp. 1-13). College Station, TX: Ocean Drilling Program.
Australia
New South Wales Darling Co. Barraba ⓘ Woodsreef Mine (Wood's Reef Mine; Woodsreef Asbestos Mine; Wood'sreef asbestos deposit)	[Hydrotalcite] Turvey, C. C., Wilson, S. A., Hamilton, J. L., Tait, A. W., McCutcheon, J., Beinlich, A., ... & Southam, G. (2018). Hydrotalcites and hydrated Mg-carbonates as carbon sinks in serpentinite mineral wastes from the Woodsreef chrysotile mine, New South Wales, Australia: Controls on carbonate mineralogy and efficiency of CO2 air capture in mine tailings. International Journal of Greenhouse Gas Control, 79, 38-60.
Denham Co. ⓘ Rowena meteorite	[Reevesite] Chalmers, R.O. & Mason, B. (1977) Two chondrites from New South Wales: Records of the Australian Museum 30(18): 519–531. (31 Dec 1977).
Queensland Mareeba Shire Dimbulah ⓘ Baal Gammon Mine	[Hydrotalcite] Douglas, G. B. (2014). Contaminant removal from acidic mine pit water via in situ hydrotalcite formation. Applied geochemistry, 51, 15-22.
Tasmania Huon Valley municipality Huon-Channel region Weld river district ⓘ Forster Prospect ?	[Pyroaurite-2H] Bottrill R.S. & Baker, W.E. (2008) A Catalogue of Minerals of Tasmania. Tasmanian Geological Survey Bulletin 73, 254p. (p. 163)
Waratah-Wynyard municipality Corinna-Savage River district ⓘ Savage River Mines	[Pyroaurite] Bottrill & Taheri, 2008, Savage River mine, Unpub. Rept, Mineral Resources Tasmania
ⓘ Heazlewood district	[Pyroaurite] R Bottrill, unpub MRT rept
ⓘ Lord Brassey Mine	[Pyroaurite] Anderson, P., Bottrill, R. & Davidson, P. (2002): Famous mineral localities: The Lord Brassey mine, Tasmania. Mineralogical Record 33, 321-332 .
West Coast municipality Macquarie Harbour Birches Inlet ⓘ Asbestos Point (BHP prospect)	[Stichtite] Australian Journal of Mineralogy (2006) 12: 101-107
Trial Harbour district ⓘ Nickel Reward Mine	[Hydrotalcite] Bottrill, Ralph S., Baker, William. E. (2008) A Catalogue of the Minerals of Tasmania. Geological Survey of Tasmania Bulletin 73, Mineral Resources Tasmania. 1-254
Zeehan mining district Dundas mineral field ⓘ Adelaide Mine (Adelaide Pty Mine; Adelaide Proprietary Mine) ?	[Stichtite] Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 39
ⓘ Bonanza Mine (Lucky Star Mine)	[Stichtite] Australian Journal of Mineralogy (2006) 12: 93-99
ⓘ Razorback mine	[Pyroaurite] R Bottrill & R Woolley, unpublished data 2017
ⓘ Red Lead Mine	[Stichtite] Bottrill, Ralph S., Baker, William. E. (2008) A Catalogue of the Minerals of Tasmania. Geological Survey of Tasmania Bulletin 73, Mineral Resources Tasmania. 1-254
ⓘ Stichtite Hill	[Pyroaurite] Bottrill R.S. & Baker, W.E. (2008) A Catalogue of Minerals of Tasmania. Tasmanian Geological Survey Bulletin 73, 254p. (p. 144) Bottrill, Ralph S., Baker, William. E. (2008) A Catalogue of the Minerals of Tasmania. Geological Survey of Tasmania Bulletin 73, Mineral Resources Tasmania. 1-254
ⓘ West Comet Mine	[Stichtite] Bottrill, Ralph S., Baker, William. E. (2008) A Catalogue of the Minerals of Tasmania. Geological Survey of Tasmania Bulletin 73, Mineral Resources Tasmania. 1-254
Mt Heemskirk mineral field ⓘ Tenth Legion mine	[Pyroaurite-2H] Bottrill R.S. & Baker, W.E. (2008) A Catalogue of Minerals of Tasmania. Tasmanian Geological Survey Bulletin 73, 254p. (p. 163)
North Dundas ⓘ Nevada Creek	[Stichtite-2H] R Bottrill, unpublished data
Serpentine Hill ⓘ Tunnel Hill Quarry	[Pyroaurite] Bottrill R.S. & Baker, W.E. (2008) A Catalogue of Minerals of Tasmania. Tasmanian Geological Survey Bulletin 73, 254p. (p. 144)
West Tamar municipality Beaconsfield district ⓘ Andersons Creek	[Pyroaurite] R Bottrill, unpub.data
Victoria Baw Baw Shire ⓘ Willow Grove ataxite	[Reevesite] Birch, W.D., Samuels, L.E., Wasson, J.T. (2001) Willow grove: A unique nickel-rich ataxite from Victoria, Australia. Meteoritics and Planetary Science, 36, A247–A254.
Western Australia Coolgardie Shire ⓘ Kambalda	[Takovite] Nickel, Ernest H., Robinson, Bruce W. (1985) Kambaldaite-a new hydrated Ni-Na carbonate mineral from Kambalda, Western Australia. American Mineralogist, 70 (3-4) 419-422
Kambalda Nickel mines Juan complex ⓘ Otter Shoot Nickel Mine	[Reevesite] Nickel, Ernest H., Robinson, Bruce W. (1985) Kambaldaite-a new hydrated Ni-Na carbonate mineral from Kambalda, Western Australia. American Mineralogist, 70 (3-4) 419-422
St. Ives gold Camp ⓘ Jan nickel mine (Jan Shoot)	[Takovite] Marston, R. J. (1984) Nickel mineralization in Western Australia. Mineral Resources Bulletin 14. Geological Survey of Western Australia
Widgiemooltha ⓘ 132 North Ni Mine	[Reevesite] Nickel, Ernest H., Robinson, Bruce W., Mumme, William G. (1993) Widgiemoolthalite: The new Ni analogue of hydromagnesite from Western Australia. American Mineralogist, 78 (7-8) 819-821 Clissold, M. E. (2007) Aspects of the Supergene Geochemistry of Copper, Nickel and Bismuth. PhD Thesis University of Sydney, Australia 162pp.
ⓘ Dordie Rocks North deposit	[Takovite] Nickel, Ernest H., Davis, Charles E. S., Bussell, Michael, Bridge, Peter J., Dunn, Jeffrey G., MacDonald, Robert D. (1977) Eardleyite as a product of the supergene alteration of nickel sulfides in Western Australia. American Mineralogist, 62 (5-6) 449-457
East Pilbara Shire Nullagine ⓘ Otway Ni deposit	[Reevesite] Nickel Mineralisation in Western Australia by R.J. Marston 1984.
Halls Creek Shire Carranya Station ⓘ Wolfe Creek meteorite crater	[Reevesite] White, J.S. (Jr) Henderson, E.P., Mason, B. (1967) Secondary Minerals Produced by Weathering of the Wolf [sic] Creek Meteorite, American Mineralogist, 52(7-8), 1190-1197. De Waal, S.A., Viljoen, E.A. (1971) Nickel minerals from Barberton, SOuth Africa: IV. Reevesite, a member of the Hydrotalcite group. The American Mineralogist, 56, 1077-1081. HB3 (1997).
Kalgoorlie-Boulder Shire ⓘ Black Swan Mine	[Hydrotalcite] Barnes, S. J., Wells, M. A., & Verrall, M. R. (2009). Effects of magmatic processes, serpentinization, and talc-carbonate alteration on sulfide mineralogy and ore textures in the Black Swan disseminated nickel sulfide deposit, Yilgarn Craton. Economic Geology, 104(4), 539-562.
Leonora Shire Leinster ⓘ Perseverance Mine	[Takovite] American Mineralogist: 62: 458-464, 1977. Nickel, Ernest H., Davis, Charles E. S., Bussell, Michael, Bridge, Peter J., Dunn, Jeffrey G., MacDonald, Robert D. (1977) Eardleyite as a product of the supergene alteration of nickel sulfides in Western Australia. American Mineralogist, 62 (5-6) 449-457
ⓘ Rocky's Reward Mine	[Takovite] Sorrell, Steve (n.d.) Personal communication.Identification: Dealer/Collection Label
Menzies Shire Menangina Station ⓘ Carr Boyd Rocks Ni mine	[Reevesite] Nickel, Ernest H., Wildman, John E. (1981) Hydrohonessite—a new hydrated Ni-Fe hydroxy-sulphate mineral; its relationship to honessite, carrboydite, and minerals of the pyroaurite group. Mineralogical Magazine, 44 (335) 333-337 doi:10.1180/minmag.1981.044.335.14 Kampf, Anthony R. (2013) Paratacamite-(Ni,Cu3(Ni,Cu)Cl2(OH)6, a new mineral from the Carr Boyd Rocks mine, Western Australia. Australian Journal of Mineralogy, 17, 39-44.
Wiluna Shire Lake Way Station ⓘ Honeymoon Well complex	[Iowaite] Disseminated and Massive Nickel Sulphide Deposits,Honeymoon Well Complex, Western Australia M Gole and M Woodhouse, Journal of the Virtual Explorer ISSN 1441-8142 Vol 1 paper 2, 2000
ⓘ Corella prospect	[Stichtite] Gole, M., Woodhouse, M.(2000), Disseminated and Massive Nickel Sulphide Deposits Honeymoon Well Complex Western Australia, (ed) Gordon Lister, Geological Research for the Exploration Industry, Journal of the Virtual Explorer, electronic edition, ISSN 1441-8142, Vol 1, Paper 2, 2000
ⓘ Harrier deposit	[Pyroaurite] Gole, M., Woodhouse, M.(2000), Disseminated and Massive Nickel Sulphide Deposits Honeymoon Well Complex Western Australia, (ed) Gordon Lister, Geological Research for the Exploration Industry, Journal of the Virtual Explorer, electronic edition, ISSN 1441-8142, Vol 1, Paper 2, 2000
ⓘ West Jordan deposit	[Iowaite] Grguric, B.A., Seat, Z., Karpuzov, A.A., Simonov, O.N. (2013) The West Jordan deposit, a newly-discovered Type 2 dunite-hosted nickel sulphide system in the northern Agnew-Wiluna Belt, Western Australia. Ore Geology Reviews, Vol. 51, pg. 79-92
ⓘ Mount Keith	[Iowaite] Wilson, S.A., Harrison, A.L., Dipple, G.M., Power, I.M., Barker, S.L.L., Ulrich, M.K., Fallon, S.J., Raudsepp, M., Southam, G. (2014) Offsetting of CO2 emissions by air capture in mine tailings at the Mount Keith Nickel Mine, Western Australia: Rates, controls and prospects for carbon neutral mining. International Journal of Greenhouse Gas Control 25 121-140
ⓘ Mount Keith Open Pit	[Hydrotalcite] Grguric, B.A. (2003) Minerals of the MKD5 nickel deposit, Mount Keith, Western Australia. Australian Journal of Mineralogy, Vol. 9, No.2 pp.55-71.
Austria
Lower Austria Melk District Persenbeug-Gottsdorf ⓘ Loja	[Pyroaurite] Neschen, Peter (n.d.) Personal communication.
ⓘ Quarry IV- Middle & Northern Area	[Pyroaurite] Löffler, E. & Kolitsch, U. (2011): Die Mineralien der Loja bei Persenbeug, Niederösterreich (II). Mineralien-Welt. 22 (4): 51-62
Sankt Oswald ⓘ "In der Gleisen" quarry (Yspertal; Ispertal; Unterfell)	[Meixnerite] Koritnig, S., & Süsse, P. (1975). Meixnerit, Mg 6 Al 2 (OH) 18· 4H 2 O, ein neues Magnesium-Aluminium-Hydroxid-Mineral. Tschermaks mineralogische und petrographische Mitteilungen, 22(1), 79-87.
Salzburg Zell am See District Leogang Hütten Schwarzleograben Schwarzleo mining district ⓘ Daniel adit	[Reevesite] R.Poeverlein (2016)
Styria Bruck-Mürzzuschlag District Breitenau am Hochlantsch Eibegggraben ⓘ Serpentinite outcrop	[Pyroaurite] Bojar, H.-P. & Postl, W. (2005)
Pernegg an der Mur Kirchdorf ⓘ S35 motorway tunnel (Kirchdorf tunnel)	[Pyroaurite] Kolitsch, U. & Brandstätter, F. (2009): 1608) Magensioferrit, Pyroaurit und Tochilinit vom Kirchdorftunnel der Brucker Schnellstraße, Steiermark. P. 226-227 in: Niedermayr, G. et al. (2009): Neue Mineralfunde aus Österreich LVIII. Carinthia II, 199/119, 189-236.
Traföß Trafößgraben ⓘ Forestry road cut	[Pyroaurite] Post. W. & Bojar, H.-P. (2006) Bojar H.P. (2022): 2263) Chromit/Magnesiochromit, Magnetit, Nickel, Pyroaurit und Ruthenium von einem Forststraßenaufschluss am Kirchkogel, Traföß bei Pernegg, Steiermark, P. 298-299 in Walter, F. et al. (2022): Neue Mineralfunde aus Österreich LXXI. Carinthia II, 212./132., 221-308.
Murtal District Sankt Marein-Feistritz ⓘ Gulsen	[Hydrotalcite] Exel, R. (1993) Die Mineralien und Erzlagerstätten Österreichs. Eigenverlag R. Exel.
Sankt Margarethen bei Knittelfeld Sankt Lorenzen bei Knittelfeld ⓘ Preg	[Pyroaurite] Exel, R. (1993) Die Mineralien und Erzlagerstätten Österreichs. Eigenverlag R. Exel.
Südoststeiermark District Bad Gleichenberg Wilhelmsdorf ⓘ Stradner Kogel	[Hydrotalcite] Alker, A., Golob, P., Postl, W. & Waltinger, H. (1981): Hydrotalkit, Nordstrandit und Motukoreait vom Stradner Kogel, südlich Gleichenberg, Steiermark. Mitt.-Bl. Abt. Mineral. Landesmuseum Joanneum 49, 1-13. Exel, R. (1993) Die Mineralien und Erzlagerstätten Österreichs. Eigenverlag R. Exel.
Feldbach Mühldorf bei Feldbach ⓘ Steinberg	[Hydrotalcite] Neschen, Peter (n.d.) Personal communication. Postl, W., Taucher, J. & Moser, B. (1996): Neue Mineralfunde im oststeirischen Vulkangebiet. Mitt. Abt. Miner. Landesmuseum Joanneum, 60/61, 3-76.
Klöch ⓘ Basalt quarry	[Hydrotalcite] "Aus der Tiefe der Vulkane", Fritz-Jandl-Postl (2011)
Bolivia
Potosí Antonio Quijarro Province Porco Municipality ⓘ El Dragón mine	[Reevesite] doi:10.3390/min7050068 Schnorrer-Köhler, Günther, Grundmann, Günter, Lehrberger, Gerhard (1990) The El Dragón Mine, Potosí, Bolivia. The Mineralogical Record, 21 (2) 133-146pp.133-133 Grundmann, Günter, Förster, Hans-Jürgen (2017) Origin of the El Dragón Selenium Mineralization, Quijarro Province, Potosí, Bolivia. Minerals, 7 (5) 68 doi:10.3390/min7050068
Brazil
Bahia ⓘ Campo Formoso ultramafic complex	[Stichtite] Boukili, H., Novikoff, A., Besnus, Y., Soubies, F., and Queiroz, C. (1983): Sciences Géologiques 72, 19-28. F. Zaccarini, G. Garuti and R.F. Martin (2006): Exotic accessory minerals in layered chromitites of the Campo Formoso complex (Brazil). Geologica Acta 4, 461-469. [https://revistes.ub.edu/index.php/GEOACTA/article/view/105.000000347/4216]
Minas Gerais ⓘ Serro	[Stichtite] King, Van (n.d.) Personal communcation.
Pará Canaã dos Carajás ⓘ Vermelho Project	[Pyroaurite] de Carvalho, M. L. M., de Oliveira, S. B., & Benique, M. E. C. (1997). Caracterização Da Piroaurita Do Maciço Máfico-ultramáfico Do Vermelho-serra Dos Carajás, PA. Geochimica Brasiliensis, 11(1).
Santa Catarina São Francisco do Sul Morro do Rócio ⓘ Santa Catharina meteorite	[Reevesite] [Mandarino, 1997]
São Paulo Cajati ⓘ Jacupiranga alkaline complex	[Hydrotalcite-2H] Menezes, Luiz Alberto Dias, Martins, Joaniel Munhoz (1984) The Jacupiranga Mine, São Paulo, Brazil. The Mineralogical Record, 15 (5) 261-270pp.261-270
ⓘ Jacupiranga mine	[Hydrotalcite-2H] Oliveira, S. B. D., & Sant'Agostino, L. M. (2020). Lithogeochemistry and 3D geological modeling of the apatite-bearing Mesquita Sampaio beforsite, Jacupiranga alkaline complex, Brazil. Brazilian Journal of Geology, 50.
Bulgaria
Yambol Province Tundzha Municipality Krumovo ⓘ Krumovo iron mine	[Hydrotalcite] Marcus Vau Collection
Canada
Manitoba Thompson Nickel Belt ⓘ South Manasan ultramafic intrusion	[Iowaite] Franchuk, Anatoliy, Peter C. Lightfoot, and Daniel J. Kontak. "High tenor Ni–PGE sulfide mineralization in the South Manasan ultramafic intrusion, Paleoproterozoic Thompson Nickel Belt, Manitoba, Canada." Ore Geology Reviews 72 (2016): 434-458.
Nova Scotia Cape Breton Co. Scotch Lake ⓘ Scotch Lake quarry (George's River quarry; Dominion Coal and Steel Company quarry; Dominion Iron and Steel Company quarry)	[Pyroaurite] Sabina, Ann P. (1965) Rocks & minerals for the collector; Northeastern Nova Scotia, Cape Breton & Prince Edward Island. Paper 65-10. Geological Survey of Canada doi:10.4095/100984
Ontario ⓘ Bancroft area	[Hydrotalcite] 162-165. Grice, Joel D. (1989) Bancroft: the Mineral Capital of Canada. In: Famous mineral localities of Canada. Published by Fitzhenry & Whiteside Limited & the National Museum of Natural Sciences, 190 pages, 92-99
Cochrane District Timmins Deloro Township ⓘ Canadian Magnesite occurrence	[Stichtite] Sabina, Ann P. (2000) Rocks and minerals for the collector, Cobalt-Belleterre-Timmins, Ontario and Quebec. Miscellaneous report 57. Geological Survey of Canada
ⓘ Langmuir Township	[Pyroaurite] Mandarino, J.A. (1966): Canadian Mineralogist 8, 668-669.
Hastings County Centre Hastings Municipality Madoc Township ⓘ Curtis Quarry	[Pyroaurite] Ottawa-Peterborough, Ontario. Geological Survey of Canada Miscellaneous Report 41. Sabina, Ann, P (1987) Rocks and Minerals for the Collector, Hull-Maniwaki, Quebec
Elzevir Township ⓘ Queensborough soapstone occurrence	[Hydrotalcite] Ottawa-Peterborough, Ontario. GSC Misc. Report 41, p77 Ann P.Sabina (1987), Rocks and Minerals for the Collector, Hull-Maniwaki, Quebec
Kenora District Ring of Fire BMA527861 Area ⓘ Black Label deposit	[Iowaite] Jordan E. Laarman (2014) A Detailed Metallogenic Study of the McFaulds Lake Chromite Deposits, Northern Ontario, The University of Western Ontario,London, Ontario, PhD Thesis
ⓘ Black Thor chromite deposit	[Iowaite] Jordan E. Laarman (2014) A Detailed Metallogenic Study of the McFaulds Lake Chromite Deposits, Northern Ontario, The University of Western Ontario,London, Ontario, PhD Thesis
Nipissing District Olrig Township ⓘ Legendre Mine (Mcdonough property)	[Pyroaurite] Geological Survey Of Canada Paper 70-50. M. L Keith (1946) Brucite Deposits In The Rutherglen District, Ontario. Geological Society of America Bulletin, 57:967-984
Sudbury District Unorganized North Sudbury District Reeves Township ⓘ Reeves Mine	[Pyroaurite] Sabina, Ann P. (2000) Rocks and minerals for the collector, Cobalt-Belleterre-Timmins, Ontario and Quebec. Miscellaneous report 57. Geological Survey of Canada
Québec Abitibi-Témiscamingue Abitibi RCM La Motte ⓘ Marbridge Mine	[Pyroaurite] Sabina (2003)126
Marbridge No. 1 mine ⓘ Serpentinite	[Pyroaurite] Mineral Record (1976) 7:4 pp174-178
Chaudière-Appalaches Les Appalaches RCM Saint-Joseph-de-Coleraine ⓘ Continental mine (Megantic mine; Lambly mine; Paré mine)	[Stichtite] Dana 7:I:656.
ⓘ Mine Lac d'Amiante (Lake Asbestos Mine; "LAB Mine"; "Black Lake Mine")	[Hydrotalcite] Royal Ontario Museum specimen M48712 Horváth Coll. XRD ID.
ⓘ Vimy Ridge mine	[Hydrotalcite] Gaudard (1993)
Saint-Julien ⓘ Belmina mine	[Pyroaurite] SABINA, A.P. (1967) Geological Survey of canada Paper, 66-51, 170p
Thetford Mines Black Lake ⓘ British Canadian mine (B.C. 1 mine; B.C. 2 mine; Martin mine; Black Lake mine; American mine; Dauville mine)	[Hydrotalcite] Canadian Museum of Nature collection
ⓘ Union mine (Southwark mine)	[Hydrotalcite] Sabina (1967)
Estrie Les Sources RCM Val-des-Sources ⓘ Jeffrey Mine	[Hydrotalcite] 179-181. GRICE, J.D. (1989) The Jeffrey Mine, Asbestos, Quebec: The Western World's Largest Asbestos Deposit. In: Famous Mineral Localities of Canada. Published by Fitzhenry & Whiteside Limited & the National Museum of Natural Sciences, 190 pages: 115-123 Horváth, László, Pfenninger-Horváth, Elsa, Spertini, Francesco (2013) The Jeffrey mine, Asbestos, Québec, Canada. The Mineralogical Record, 44 (4) 375-417
Laurentides Antoine-Labelle RCM Notre-Dame-du-Laus ⓘ Parker Mine	[Pyroaurite] Van Velthuizen, J. V. (1993): The Parker Mine, Notre Dame du Laus (Québec). Mineralogical Record, 24(5): 369-373.
Argenteuil RCM Grenville-sur-la-Rouge ⓘ Kilmar	[Hydrotalcite] OSBORNE, F.F. (1938) Preliminary notes on pseudomorphs after spinel from Kilmar, Quebec. University of Toronto Studies, Geological Series 41, 39-44.
ⓘ Kilmar mine	[Pyroaurite] GSC Miscellaneous Report 33
Outaouais Les Collines-de-l'Outaouais RCM Chelsea Autoroute 5 extension ⓘ Roadcut No. 6	Horváth collection - XRD
ⓘ Cross quarry	[Hydrotalcite] Sabina, Ann P. (1987) Rocks and minerals for the collector, Hull-Maniwaki, Quebec, Ottawa-Peterborough, Ontario. Miscellaneous report 41. Geological Survey of Canada
La Pêche Wakefield ⓘ Maxwell quarry	[Hydrotalcite] Hull-Maniwaki, Quebec, Ottawa-Peterborough, Ontario. GSC Misc. Report 41, 34-35 p. Sabina, A.P. (1987) Rocks & Minerals for the collector
Yukon Dawson mining district ⓘ Clinton Creek Mine	[Pyroaurite] Sabina, A.P. (1972) Rocks & minerals for the collector: The Alaska Highway, Dawson Creek, British Columbia to Yukon/Alaska border. GSC paper 72-32. Reissued (1992) as GSC Miscellaneous Report 50, 98-99.
China
Inner Mongolia Xilingol League (Xilinguole Prefecture) West Ujimqin Banner (Xiwuzhumuqin Co.) ⓘ Hegenshan Ophiolite	[Iowaite] Zhu, H., Jingsui, Y., Robinson, P. T., Yongwang, Z., Fahui, X., Zhao, L., ... & Wei, X. (2015). The discovery of diamonds in chromitites of the Hegenshan ophiolite, Inner Mongolia, China. Acta Geologica Sinica‐English Edition, 89(2), 341-350.
Jilin Tonghua Ji'an Co. ⓘ Ji'an Asbestos mine	[Hydrotalcite] Zhaobin Su and Shaoying Jiang (1984): Journal of Mineralogy and Petrology 5(3), 102-108
Shaanxi Hanzhong Ningqiang County ⓘ Da'an Mine	[Hydrotalcite] Zhaobin Su and Shaoying Jiang (1984): Journal of Mineralogy and Petrology 5(3), 102-108
Sichuan Ya'an Shimian County ⓘ Jianshibao Asbestos mine	[Hydrotalcite] Shaoying Jiang, Guangrong Zhang, Hui'e Liang, and Weiqi Huang (1984): Acta Mineralogica Sinica 4(4), 296-302
ⓘ Shimian Mine (Sichuan Asbestos mine)	[Hydrotalcite] Zhaobin Su and Shaoying Jiang (1984): Journal of Mineralogy and Petrology 5(3), 102-108
ⓘ Xinkang Asbestos mine	[Hydrotalcite] Zhaobin Su and Shaoying Jiang (1984): Journal of Mineralogy and Petrology 5(3), 102-108
Czech Republic
South Moravian Region Blansko District Letovice ⓘ Slatinka	[Stichtite-2H] Ulrych, J.: Stichtit z hadcového tělesa od Slatinky u Letovic. Časopis pro mineralogii a geologii, 1966, roč. 11, č. 3, s. 311-315.
Ústí nad Labem Region Litoměřice District Třebenice ⓘ Vličíčí klumině	[Hydrotalcite] Houzar, S., & ŠRein, V. (2008). Asociace geikielitu s kasiteritem ve spinelovém mramoru z Třebenic na západní Moravě, Moldanubikum. Acta rerum naturalium, 4, 1-6.
Vysočina Region Žďár nad Sázavou District Věžná ⓘ Věžná I pegmatite	[Hydrotalcite] Canadin Mineralogist, Vol 17, 1979, pp. 583-588. Cerny, P., Hawthorne, F. C., Laflamme, J. H. G., & Hinthorne, J. (1979). Stibiobetafite, a new member of the pyrochlore group from Vezna, Czechoslovakia. Canadian Mineralogist, 17, 583-588.
ⓘ Věžná II pegmatite	[Hydrotalcite] Petr Pauliš (2001): Nejzajímavější mineralogická naleziště Moravy a Slezska. Kuttna, Kutná Hora.
Eswatini
Hhohho Region Malolotja Nature Reserve ⓘ Forbes Reef area	[Stichtite] Ashwal, Lewis D., Cairncross, Bruce (1997) Mineralogy and origin of stichtite in chromite-bearing serpentinites. Contributions to Mineralogy and Petrology, 127 (1) 75-86 doi:10.1007/s004100050266
Finland
Satakunta Siikainen ⓘ Otamo dolomite quarry	[Pyroaurite] Sandström, Frej (2012) Otamo dolomitbrott i Siikainen, Finland. Litofilen. Medlemsblad för Västerås AmatörGeologiska Sällskap, 29 (2) 23-38
France
New Caledonia Northern Province Poya North ⓘ Népoui	[Takovite] J. Coudray (1970) - Découverte, en Nouvelle-Calédonie, d'une nouvelle minéralisation nickélifère sous forme de takovite : Ni5[Al4O2](OH)18, 6H2O. Comptes rendus de l'académie des sciences, t. 271, série D, 1970, pp. 565-567
Southern Province Le Mont-Dore ⓘ Prony Bay	[Hydrotalcite] Monnin, C., Chavagnac, V., Boulart, C., Ménez, B., Gérard, M., Gérard, E., ... & Guentas-Dombrowski, L. (2014). Fluid chemistry of the low temperature hyperalkaline hydrothermal system of Prony Bay (New Caledonia). Biogeosciences, 11(20), 5687-5706.
Yaté ⓘ Goro Mine	[Pyroaurite] Wells, M. A., Ramanaidou, E. R., Quadir, M. Z., Roberts, M., Bourdet, J., & Verrall, M. (2022). Morphology, composition and dissolution of chromite in the Goro Lateritic Nickel Deposit, New Caledonia: Insight into ophiolite and laterite genesis. Ore Geology Reviews, 104752.
Occitanie Pyrénées-Orientales Céret Prats-de-Mollo-la-Preste ⓘ Costabonne mines (Costabona mines)	[Hydrotalcite] Goujou, Jean-Christian, Guitard, Gérard, Berbain, Christian (2000) Le massif de Costabonne, 2464m (Pyrénées-Orientales) 2. Un aperçu de la mineralogie du gisement. Le Règne Minéral, 6 (32) 5-12
Provence-Alpes-Côte d'Azur ⓘ Var	[Takovite] American Mineralogist, Volume 62, pages 458-464, 1977
Germany
Baden-Württemberg Freiburg Region Breisgau-Hochschwarzwald Feldberg ⓘ Rotenbach mine	[Reevesite] Brill, A. R. & Bär, W. (2017): Reevesit von der ehemaligen Grube Rotenbach am Feldberg, ein neues Mineral aus dem Schwarzwald. Mineralien-Welt, 28(1), 62-64.
Ortenaukreis Oberwolfach ⓘ Clara Mine	[Hydrotalcite] Walenta, Kurt (1992) Die Mineralien des Schwarzwaldes und ihre Fundstellen. Christian Weise Verlag, München. p.1-336. Walenta, K. (1995) Neue Mineralfunde von der Grube Clara. 6. Folge, 1. Teil. Lapis, 20 (5) München. 33-38
Waldshut Dachsberg Urberg ⓘ Gottesehre Mine	[Takovite] Walenta, Kurt (1992) Die Mineralien des Schwarzwaldes und ihre Fundstellen. Christian Weise Verlag, München. p.1-336.
Bavaria Lower Franconia Haßberge District Maroldsweisach ⓘ Zeilberg Quarry	[Hydrotalcite] Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart.
Upper Palatinate Schwandorf District Winklarn ⓘ Huber Quarry	[Pyroaurite-2H] Blaß, G., Graf, H.W. (1994) Neue Funde. Mineralien Welt, 5 (2) 46-47 Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart.
Tirschenreuth District Pechbrunn ⓘ Großer Teichelberg (Teichelberg; Teichlberg)	[Hydrotalcite] Pöllmann, H., Keck, E. (2003): Hydrotalkit vom Gr. Teichelberg bei Pechbrunn/Oberpfalz. Der Aufschluss 54 (4), 249-255
Lower Saxony Goslar District Clausthal-Zellerfeld Oberschulenberg ⓘ Glücksrad Mine	[Hydrotalcite]
Langelsheim Grane Reservoir ⓘ Ochsenhütte slag locality	[Pyroaurite-2H] Schnorrer-Köhler, G. (1991): Mineralogische Notizen V. Aufschluss 42, 155-171.
Lüchow-Dannenberg District ⓘ Gorleben salt dome	[Hydrotalcite] Mertineit, M. Schramm, M. (2019) Lithium Occurrences in Brines from two German Salt Deposits (Upper Permian) and First Results of Leaching Experiments. Minerals 9, 766.
Rhineland-Palatinate Ahrweiler Brohltal Brenk ⓘ Schellkopf	[Hydrotalcite] Blass, G., Els, F., Über den Erstfund von Hydrotalkit-kristallen vom Schellkopf bei Brenk in der Vulkaneifel, MW 4/1993
Rhein-Lahn-Kreis ⓘ Bad Ems-Nassau	[Reevesite] Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart.
Lahnstein Friedrichssegen ⓘ Friedrichssegen Mine	[Reevesite] Der Aufschluss Vol.55, March/April 2004
Vulkaneifel Daun Üdersdorf ⓘ Löhley	[Hydrotalcite] Hentschel, G. (1989) Die Minerale der Üdersdorfer Lava. Lapis, 14 (11) Christian Weise Verlag GmbH. 14-25
Gerolstein Birresborn ⓘ Kalem	[Hydrotalcite] Hentschel, Gerhard (1987) Die Mineralien der Eifelvulkane (2nd ed.) Christian Weise Verlag, Munich.
Walsdorf Zilsdorf ⓘ Arensberg	[Hydrotalcite] Hentschel, G., Die Mineralien des Arensberges bei Zilsdorf, Eifel, Der Aufschluß 29, 219-227, 1978
Saxony Erzgebirgskreis Bärenstein ⓘ Bärenstein quarry ?	[Hydrotalcite] www.mineralienatlas.de (n.d.) http://www.mineralienatlas.de/forum/index.php?topic=25633.msg201613 Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart. Witzke, Thomas (2023) Personal Communication.
Mittelsachsen Großschirma ⓘ Siebenlehn	[Pyroaurite] T. Witzke (2001): Pyroaurit von Siebenlehn bei Nossen, Sachsen.- Aufschluss 52, 45-48
ⓘ Romanus Mine	[Pyroaurite] Neues Jahrbuch für Mineralogie, Geologie und Paläontologie, 1882, II, p.119.
Greece
Attica East Attica Lavreotiki ⓘ Lavrion Mining District	[Reevesite] Rieck, B., Kolitsch, U., Voudouris, P., Giester, G., Tzeferis, P. (2020): Lavrion, Griechenland: Weitere Neufunde aus dem berühmten Bergbaurevier. Mineralien-Welt 29(5), 32-77 (in German).
Km 3 Kaminiza mines ⓘ Esperanza Mine	[Hydrotalcite]
Sounion Cato Sounio mines ⓘ Sounion Mine No. 19	[Hydrotalcite] Lapis, 24, 7/8 (1999)
Central Greece Boeotia Orchomenus ⓘ Nisi mine	[Takovite] Pantó, G. & Maksimović, Z. (2001): Two new rare earth minerals in an unusual mineralization of the Nissi bauxite deposit, Greece. Acta Geologica Hungarica 44, 81-93. Sofia Kalatha, Maria Perraki, Maria Economou-Eliopoulos and Ioannis Mitsis (2017): On the origin of bastnaesite-(La,Nd,Y) in the Nissi (Patitira) bauxite laterite deposit, Lokris, Greece. Minerals 7, 45.
Hungary
Fejér County Székesfehérvár District Kőszárhegy ⓘ Kőszárhegy Quarry	[Hydrotalcite] Szakáll: Minerals of Szár Hill, 2004
Pest County Szentendre District Dunabogdány ⓘ Csódi Hill	[Hydrotalcite] Harangi, S. et al. (2009): Dunabogdány: Zeolites, laccolith, contact zone, Field Trip 2, 9th September 2009. MinPet2009 field trip booklet, 17 pp.
India
Karnataka Hassan District ⓘ Nuggihalli	[Stichtite] Varadarajan, S. (1966): Proc. Indian Sci. Congr., 53rd Session, Chandigarh, Part 3, p. 183.
Odisha Keonjhar District ⓘ Nuasahi Complex	[Stichtite] Mondal, S. K., Baidya, T. K. (1996) Stichtite [Mg6Cr2(OH)16CO3·4H2O] in Nausahi ultramafites, Orissa, India - its transformation at elevated temperatures. Mineralogical Magazine, 60 (402) 836-840 doi:10.1180/minmag.1996.060.402.16
Iraq
Sulaymaniyah Governorate Pshdar District Qaladiza Hero ⓘ Dupezeh Mountain	[Hydrotalcite] Al-Hermezi, H. M. (1985) Qandilite, a new spinel end-member, Mg2TiO4, from the Qala-Dizeh region, NE Iraq. Mineralogical Magazine, 49 (354) 739-744 doi:10.1180/minmag.1985.049.354.15
Italy
Aosta Valley Montjovet ⓘ Petit Monde Tunnel ?	[Pyroaurite] Ratto, A., and Gramaccioli, C.M. (1967) Ritrovamento di artinite a Saint Vincent (Val d'Aosta). Natura, 58, 4, 309-310 Piccoli, G.C., Maletto, G., Bosio, P., and Lombardo, B. (2007) Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, L'Artigiana Srl - Azienda Grafica, Alba (Cuneo), 607 pp.
Emilia-Romagna Metropolitan City of Bologna Castel di Casio Molino della Rovinaccia ⓘ Fosso del Lago	[Reevesite] Dalrio, G. (1980) Mineralogia del bolognese. Officine Grafiche Cacciari, Bologna, 120 pages Pedroni, G., Rosciglione, L., Varoli, M., and Baratta, C. (1996) I minerali delle ofioliti nell'Appennino bolognese e modenese. Gruppo A.V.I.S. Mineralogia e Speleologia, Bologna, 286 pp.
Gaggio Montano ⓘ Ca' dei Ladri (Silla)	[Reevesite] Calanchi, N. (1978) Reevesite nelle idrotermaliti di Ca' dei Lardi (Appennino bolognese). Primo ritrovamento del minerale in Italia. Mineralogica et Petrographica Acta, 22, 179-183 Pedroni, G., Rosciglione, L., Varoli, M., Baratta, C. (1996) I minerali delle ofioliti nell'Appennino bolognese e modenese. Gruppo A.V.I.S. Mineralogia e Speleologia, Bologna, 286 pp.
Monterenzio ⓘ Stancalasse stream (Rio Stancalasse) ?	[Reevesite] Pedroni, G., Rosciglione, L., Varoli, M., Baratta, C. (1996) I minerali delle ofioliti nell'Appennino bolognese e modenese. Gruppo A.V.I.S. Mineralogia e Speleologia, Bologna, 286 pp.
Modena Province Frassinoro ⓘ Ca' de Giannasi ophiolite	[Reevesite] Borghi, E., Borghi, M., and Scacchetti, M. (1996) Minerali dell'ofiolite di Ca' de Giannasi (MO). Rivista Mineralogica Italiana, 20, 3 (3-1996), 259-267.
Parma Province Berceto Manubiola Valley ⓘ Rio Varbore	[Reevesite] Adorni F., Orlandi P. (1989) - Wurtzite, reevesite e altre specie minerali presenti nelle serpentine del Rio Varbore (PR) - Rivista Mineralogica Italiana, Milano, fasc. 4, pp.215-222
Piacenza Province Coli ⓘ Sant'Agostino	[Pyroaurite] Baldizzone, G. (2008): I minerali del piacentino – come riconoscerli dove trovarli. Baldizzone G., stampa Tipolito Farnese, Piacenza, 113 pp.
Liguria Genoa Genoa Borzoli ⓘ Mt. Ramazzo Mine	[Reevesite] analysed by Dr. Anthony Kampf, Natural History Museum of Los Angeles County, USA
Rovegno ⓘ Pescia stream	[Droninoite] Analyses of Anthony Kampf of Natural History museum of Los Angeles - U.S.A.
Lombardy Sondrio Province Lanzada Campo Moro Valley ⓘ Alpe Prabello area	[Hydrotalcite] Bedognè, F., Montrasio, A., Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
Franscia ⓘ Dossi di Franscia	[Reevesite] Bedognè, F., Montrasio, A., Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp.
Vallone del Cengiaccio (Cengiaccio; Cengiàsc; Cengiasco) ⓘ Sferlùn asbestos mine	[Pyroaurite] Bedognè, F., Montrasio, A., Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp.
Piedmont Metropolitan City of Turin Lessolo Calea ⓘ Brosso Mine	[Hydrotalcite] Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
Verbano-Cusio-Ossola Province Craveggia Rio Vasca ⓘ Alpe Marco inferiore	[Reevesite] Callegari, A., Mattioli, V. (2002): Novità mineralogiche: Val Vigezzo. Riv. Mineral. Ital., 26, 2 (2-2002), 78-80 Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp. Boscardin, M., Mattioli, V., Rocchetti, I. (2013): Minerali della Valle Vigezzo. Litotipografia Alcione, Lavis (Trento), 229 pp.
Sardinia South Sardinia Province Gonnosfanadiga Fenugu Sibiri Mine ⓘ Pira Inferida	[Reevesite] Caboni, F., Mamberti, M., Tanca, G.A., Vinci, A., Bittarello, E., Marengo, A., Brizio, P., Bracco, R., Baralis, L., Desor, J., Ciriotti, M.E. (2018): Arseniati, arseniuri e altre novità di Pira Inferida - Fenugu Sibiri, Gonnosfanadiga, Sud Sardegna. Micro, 16, 110-156 (in Italian with abstracts in English, French and German).
Teulada ⓘ Giovanni Matta quarry	[Pyroaurite-2H] Conti L, Cozupoli D., Lombardi G, Traversa g. 1970 - Segnalazione di Sjögrenite nelle contattiti presso Teulada (Sardegna meridionale) Per. Min. Roma, vol. 39 A, (special volume), pp. 119-127
Trentino-Alto Adige (Trentino-South Tyrol) Trento Province (Trentino) Ala Pilcante ⓘ Bersaglio di Val dei Nasi Quarry (Val dei Nasi Quarry)	[Pyroaurite] "Giorgio Bortolozzi (visual identification)"
ⓘ Val di Serra Quarry	[Hydrotalcite] Giorgio Bortolozzi, visual identification Bortolozzi, G., Boscardin, M., Rocchetti, I., Bersani, D. (2013): Cafetite e kassite della cava di Pilcante in Val d'Adige (Ala, Trento). Micro, 11, 1, 39-48.
Ronchi Valley ⓘ Malga Penèz Quarry	[Pyroaurite] Del Caldo A., Moro C., Gramaccioli C.M., Boscardin M. (1973): Guida ai minerali. Fratelli Fabbri Editori, Milano, 208 pp.
San Valentino Valley ⓘ Buole Pass Quarry ?	[Hydrotalcite] Giorgio Bortolozzi (visual identification)
ⓘ Prabubolo Quarry	[Hydrotalcite] "Giorgio Bortolozzi (visual identification)"
Altopiano della Vigolana Centa San Nicolò Vigolana Mount ⓘ Spilech quarry	[Hydrotalcite] Guida ai minerali. F.Fabbri Ed., Milano 1973.
Terragnolo ⓘ Baisi Quarry	[Hydrotalcite] "Giorgio Bortolozzi (visual identification)"
Borcola Pass ⓘ Borcoletta Quarry	[Hydrotalcite] Zordan A. (2014): Provincia di Vicenza. In: Zorzi F., Boscardin M. (eds.), Minerali del Veneto. Alla scoperta sei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, 173-246.
ⓘ Giordano Valley Quarries	[Hydrotalcite] "Giorgio Bortolozzi (visual identification)"
Tuscany ⓘ Livorno Province	[Reevesite] Bonifazi, Marco (2020) Toscana. I minerali di Livorno. I favolosi tesori dei nostri monti. Youcanprint, 276 pages.
Livorno ⓘ Antignano	[Reevesite] Ciampalini, A., Sammartino, F. (2010) I minerali della scogliera di Antignano. Codice Armonico 2010. Terzo congresso di scienze naturali. Ambiente toscano: 47-56. Bonifazi, Marco (2020) Toscana. I minerali di Livorno. I favolosi tesori dei nostri monti. Youcanprint, 276 pages.
ⓘ Maroccone	[Reevesite] Bonifazi, Marco (2020) TOSCANA I minerali di Livorno, 274 pagine. Bonifazi, Marco (2021) TOSCANA, Minerali di uranio a Livorno, 220 pagine.
ⓘ Rio Ardenza (Rio Popogna)	[Reevesite] Bonifazi, Marco (2020) Toscana. I minerali di Livorno. I favolosi tesori dei nostri monti. Youcanprint, 276 pages.
ⓘ Le Ferriere	[Reevesite] Giuliano bettini collection
ⓘ Upper Ugione stream valley ?	[Reevesite] Sammartino, F. (2014) I minerali del Torrente Ugione. Codice Armonico 2014. Quinto congresso di scienze naturali. Ambiente toscano, 183-194.
Umbria Perugia Province Sigillo Monte Cucco ⓘ Monte Cucco Cave ("La Grotta" Cave)	[Hydrotalcite] D'Angeli, I. M., Carbone, C., Nagostinis, M., Parise, M., Vattano, M., Madonia, G., and De Waele, J. (2018) New insights on secondary minerals from Italian sulfuric acid caves. International Journal of Speleology, 47, 3, 271-291.
Veneto Verona Province Brentino Belluno ⓘ Pozze Alte Quarry	[Hydrotalcite] "Giorgio Bortolozzi (visual identification)"
Vicenza Province Arsiero Riofreddo valley Contrada Busati-Pasquali ⓘ Contrada Busati-Pasquali Quarry	[Hydrotalcite] Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
Cogollo del Cengio ⓘ Menegolli Quarry (Marmi Quarry)	[Hydrotalcite] "Giorgio Bortolozzi (visual identification)"
Laghi ⓘ Grama Valley Quarry	[Pyroaurite] Boscardin M., Daleffe A., Rocchetti I., Zordan A. (2011): Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni. Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), 183 pp. - Zordan A. (2014): Provincia di Vicenza. In: Zorzi F., Boscardin M. (eds.), Minerali del Veneto. Alla scoperta sei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, 173-246.
Posina Borcola Pass ⓘ Borcola Pass Quarry (Lucchi Quarry; Prato Lorda Quarry)	[Hydrotalcite] Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
Punta della Lucche ⓘ Nido d'Aquila Quarry	[Hydrotalcite] Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
Sogli Bianchi ⓘ Caprara Valley Quarry	[Hydrotalcite] Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
Schio Tretto Val Munari Contrade Maglio-Pornaro ⓘ Acquasaliente Creek	[Hydrotalcite] Boscardin, M., Da Meda, E., Zordan, A. (1988): I minerali di un nuovo giacimento di contatto presso Schio (VI) - Rivista Mineralogica Italiana, 11, 2 (2-1988), 73-78 Boscardin, M., De Zen, L., Zordan, A. (1989): I minerali della Val Leogra e della Val d'Astico nel Vicentino. Cassa Rurale e Artigiana di Schio, Grafiche Marcolin, Schio, 140 pp. Boscardin, M., Daleffe, A., Rocchetti, I., Zordan, A. (2011): Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni. Museo di Archeologia e Scienze Naturali “G. Zannato”, Montecchio Maggiore (Vicenza), 183 pp. Zordan, A. (2014): Provincia di Vicenza. In: Zorzi, F., Boscardin, M., (eds.), Minerali del Veneto. Alla scoperta dei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, 173-246.
Tonezza del Cimone ⓘ Valle della Neve quarry	[Hydrotalcite] "Giorgio Bortolozzi (visual identification)"
Valdastico ⓘ Strassa Valley Quarry (Quarry at the 6th km of the road Tonezza-Folgaria)	[Hydrotalcite] Boscardin M.,Daleffe A.,Rocchetti I., Zordan A. (2011) " Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni " Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), pp.183
Japan
Aichi Prefecture Shinshiro city ⓘ Kamewari Pass	[Pyroaurite] Matsubara, S., & Kato, A. (1979) The Occurrence of Heazlewoodite and Cobaltpentlandite from the NakauriMine, Aichi Prefecture, Japan. Mem. Natn. Sci.Mus., Tokyo, (12), December 1, 1979
ⓘ Nakauri mine	[Hydrotalcite] Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
ⓘ Takenowa	[Pyroaurite-2H] Alfredo Petrov - unpublished document - 2007
ⓘ Yoshikawa mine (Shinshiro mine)	[Desautelsite] Ohe Rikosya specimens
Fukuoka Prefecture Kasuya District ⓘ Sasaguri	[Pyroaurite] 上原誠一郎. (1987). Serpentine minerals from Sasaguri area, Fukuoka Prefecture, Japan. 岩石鉱物鉱床学会誌, 82(3), 106-118.
Kochi Prefecture Kochi City ⓘ Engyouji (Engyoji)	[Hydrotalcite] Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
ⓘ Kohnomori (Konomori)	[Desautelsite] Matsubara, S. et al (1984) Bulletin of the National Science Museum, 10, 81-86.
Kyoto Prefecture Miyazu City ⓘ Nakanochaya	[Hydrotalcite] Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Mie Prefecture Toba City ⓘ Shiraki	[Desautelsite] Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
ⓘ Sugashima	[Pyroaurite] Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Jordan
Amman Governorate Transjordan Plateau Daba-Siwaqa complex ⓘ Daba	[Hydrotalcite] Pitty, A. F., & Alexander, W. R. (2010). A natural analogue study of cement buffered, hyperalkaline groundwaters and their interaction with a repository host rock IV: an examination of the Khushaym Matruk (central Jordan) and Maqarin (northern Jordan) sites. NDA-RWMD Technical Report, NDA, Moors Row, UK.
Irbid Governorate Maqarin area ⓘ Yarmouk river	[Hydrotalcite] Khoury, H. N., Salameh, E., & Abdul-Jaber, Q. (1985). Characteristics of an unusual highly alkaline water from the Maqarin area, northern Jordan. Journal of Hydrology, 81(1), 79-91. www.natural-analogues.com (2003) http://www.natural-analogues.com/maqarin.htm
Kazakhstan	[Stichtite]
North Kazakhstan Region Aiyrtau District Zlatogorsk Zlatogorsk ultramafic intrusion ⓘ Dunite lens	[Pyroaurite-2H] Pekov, Igor V. (1998) Minerals first discovered on the territory of the former Soviet Union. Ocean Pictures, Moscow. 369pp.
West Kazakhstan Region Oral ⓘ Darinskoe meteorite	[Droninoite] Sharygin, V. V. (2019). Sodium-Rich Phosphate and Silicate Inclusions in Troilite Nodule in Darinskoe Iron Meteorite (IIC). Meteoritics & Planetary Science, 54.
Lebanon
South Governorate Jezzine District ⓘ Bhanine Valley ?	Kruszewski, Ł., 2018/2019. Secondary sulfate minerals from Bhanine valley coals (South Lebanon) – a crystallochemical and geochemical study. Geological Quarterly (in press)
Mexico
Puebla ⓘ Tehuitzingo Municipality	[Stichtite] 1.Proenza, J. Ortega-Gutierrez, F. Tritlla, J. Elias-Herrera, M. and Reyes-Salas, M. (2004) "The Paleozoic serpentinite-enclosed chromitites from Tehuitzingo (Acatlan Complex, SW Mexico): a petrological, mineralogical, and PGE-distribution study". Journal of South American Earth Sciences , 16,. 649-666.
ⓘ Tehuitzingo	[Stichtite] Proenza, J. Ortega-Gutierrez, F. Tritlla, J. Elias-Herrera, M. and Reyes-Salas, M. (2004) "The Paleozoic serpentinite-enclosed chromitites from Tehuitzingo (Acatlan Complex, SW Mexico): a petrological, mineralogical, and PGE-distribution study". Journal of South American Earth Sciences , 16,. 649-666.
Middle East
ⓘ Hatrurim Formation	[Hydrotalcite] Gross, S. (1977): The Mineralogy of the Hatrurim Formation, Israel. Geological Survey of Israel, Bulletin no. 70, 80 pp.
Morocco
Drâa-Tafilalet Region ⓘ Bou Azzer mining district	[Pyroaurite] XRD Paolo Orlandi (Pisa University)
Zagora Province Agdz Cercle Tansifte Caïdat ⓘ Aghbar	[Stichtite] Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
ⓘ Aghbar Mine	[Takovite] Georges Favreau collection
ⓘ Agoudal Mines	[Stichtite] Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
ⓘ Agoudal East Mine	[Stichtite] Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
ⓘ Aït Ahmane	[Stichtite] Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
ⓘ Bou Azzer Vein No. 2	[Stichtite] Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
Ightem ⓘ Ightem Mine (Irhtem Mine)	[Pyroaurite] Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
Myanmar
Mandalay Region Pyin-Oo-Lwin District Mogok Township Bernardmyo ⓘ Pyaung Gaung	[Pyroaurite] Harlow G1, Thu K (2014) Hydrothermal recrystallization of dunitic olivine: peridot from Pyaung-Gaung, Myanmar and other examples. 21 st meeting of the International Mineralogical Association. p 198
New Zealand
Manawatu-Whanganui Region Tararua District Maharahara ⓘ Maharahara copper mine	[Stichtite-2H] Railton, G. T., Watters, W. A. (1990) Minerals of New Zealand. New Zealand Geological Survey Bulletin 104. New Zealand Geological Survey
Southland Region Invercargill City Greenhills ⓘ Dunite Quarry	[Stichtite] D. Coombs in Micro-Scope, August 1992
Southland District Fiordland National Park ⓘ Eglinton River (East Branch)	[Pyroaurite] Kelsey, Philip I., 1981. “Geology of the east branch, Eglinton River.,” Otago Geology Theses,
Tasman Region Brightwater ⓘ Lee Valley Quarry	[Pyroaurite] Jenks, J. (1981) Carbonates of the Lee Valley, Gem and Treasure Hunter, p 11, June 1981.
West Coast Region Westland District ⓘ Red Mountain (Big Red Hill)	[Hydrotalcite] Corner, N.G., G.P. Williamson, J.M. MacPherson and A. Pearce 1973. New Zealand asbestos reconnaissance - Red Mountain Ultramafics. Crown Mineral Report MR1786 (Kennecott Exploration)
Norway
Vestfold og Telemark Kragerø Sannidal Lona ⓘ Lona serpentine deposit	[Hydrotalcite] Henrich Neumann (1985) Norges Mineraler [The Minerals of Norway]. Norges geologiske Undersøkelse Skrifter Vol. 68. Universitetsforlagetp.89 - + p. 102
Vestland Bergen Arna ⓘ Ytre Arna Quarry	[Hydrotalcite-2H] Henrich Neumann (1985) Norges Mineraler [The Minerals of Norway]. Norges geologiske Undersøkelse Skrifter Vol. 68. Universitetsforlaget
Fana ⓘ Apeltun	[Hydrotalcite-2H] Collection of Naturhistorisk Museum, Bergen, Norway Rune S. Selbekk (2010) Norges mineraler - En revidert utgave av Norges mineraler (Neumann 1985) Tapir Akademiske Forlag, Trondheim. p.1-552.p.215
Ytrebygda ⓘ Kokstad	[Hydrotalcite-2H] Knut Edvard Larsen collection MM # 2264
Viken Modum ⓘ Snarum	[Hydrotalcite] Hochstetter (1842) Manasse (1915) Frondel (1941, table 1) Neumann (1985, p. 102) Raade (1996, pp. 45-46).
ⓘ Dypingdal serpentine-magnesite deposit	[Hydrotalcite] Frondel, Clifford (1941) Constitution and polymorphism of the pyroaurite and sjögrenite groups. American Mineralogist, 26 (5) 295-315
ⓘ Øvre Dypingdal Mine	[Hydrotalcite] Wilke, Hans-Jürgen (1976) Mineralfundstellen - Ein führer zum Selbstsammeln. Band 4 Skandinavien. Christian Weise Verlag, München. p.1-370.
Oman
Ad Dakhiliyah Governorate ⓘ Graviere	[Hydrotalcite] Chavagnac, V., Ceuleneer, G., Monnin, C., Lansac, B., Hoareau, G., & Boulart, C. (2013). Mineralogical assemblages forming at hyperalkaline warm springs hosted on ultramafic rocks: a case study of Oman and Ligurian ophiolites. Geochemistry, Geophysics, Geosystems, 14(7), 2474-2495.
Al Batinah North Governorate ⓘ Mamy Nova	[Hydrotalcite] Chavagnac, V., Ceuleneer, G., Monnin, C., Lansac, B., Hoareau, G., & Boulart, C. (2013). Mineralogical assemblages forming at hyperalkaline warm springs hosted on ultramafic rocks: a case study of Oman and Ligurian ophiolites. Geochemistry, Geophysics, Geosystems, 14(7), 2474-2495.
Pacific Ocean
East Pacific Rise ⓘ Hess Deep	[Iowaite] Plas, A. A. (1997). Petrologic and stable isotope constraints on fluid-rock interaction, serpentinization and alternation of oceanic ultramafic rocks (Doctoral dissertation, ETH Zurich).
Mariana forearc ⓘ DSDP 778	[Iowaite] Heling, D., A. Schwarz (1992) Iowaite in Serpentinite Muds at Sites 778, 779, 780 and 784: a possible cause for the low chlorinity of pore waters: Proceedings of the Ocean Drilling Program, Scientific Results: 125.
ⓘ Pacman Seamount	[Iowaite] Wheat, C.G., Fryer, P., Fisher, A.T., Hulme, S., Jannasch, H., Mottl, M.J., Becker, K. (2008) Borehole observations of fluid flow from South Chamorro Seamount, an active serpentinite mud volcano in the Mariana forearc. Earth and Planetary Science Letters, 267(3-4), 401-409.
Peru
Amazonas Bongará Province Yambrasbamba Bongara Project ⓘ Mina Grande prospect	[Hydrotalcite] Arfè, Giuseppe, Nicola Mondillo, Giuseppina Balassone, Maria Boni, Piergiulio Cappelletti, and Tommaso Di Palma. (2017) "Identification of Zn-Bearing Micas and Clays from the Cristal and Mina Grande Zinc Deposits (Bongará Province, Amazonas Region, Northern Peru)" Minerals 7, no. 11: 214. https://doi.org/10.3390/min7110214
Poland
Greater Poland Voivodeship Poznań ⓘ Morasko meteorite	[Reevesite] Gurdziel, A., & Karwowski, Ł. (2016). Reevesyt i jarosyt–nowe wtórne fazy w meteorycie Morasko. Acta Societatis Metheoriticae Polonorum, 7, 27-35.
Lesser Poland Voivodeship Kraków County Gmina Krzeszowice Dębnik-Dubie area ⓘ Dubie	[Hydrotalcite] Muszyński M., Wyszomirski P. 1998: Przeobrażenia kontaktowe węglanowych skał dewonu w okolicach Dubia koło Krakowa. Geologia 24, 3, 200-217
Silesian Voivodeship ⓘ Katowice - Piekary Śląskie area slag dumps	[Pyroaurite] Warchulski, R., Gawęda, A., Szopa, K. (2014): Secondary phases from the Zn-Pb smelting slags from Katowice – Piekary Śląskie area, Upper Silesia, Poland: a SEM – XRD overview. Mineralogia Special Papers: 42: 110-111
Wodzisław County Radlin ⓘ Marcel mine heap	[Iowaite] Łukasz Kruszewski (2012) Unique chloride assemblage of exhalative origin from burning coal-mining dump in Radlin (Rybnik Coal Area, S Poland). Mineralogical Society of Poland Special Papers 40
Rydułtowy ROW Ruch Rydułtowy Mine ⓘ Rydułtowy heap (Szarlota heap) ?	[Meixnerite] Kruszewski, Ł., Fabiańska, M.J., Segit, T., Kusy, D., Motyliński, R., Ciesielczuk, J., Deput, E., (2019): Carbon-nitrogen compounds, alcohols, mercaptans, monoterpenes, acetates, aldehydes, ketones, SF6, PH3, and other fire gases in coal-mining waste heaps of Upper Silesian Coal Basin (Poland) – a re-investigation by means of in situ FTIR external database approach. Science of The Total Environment (in press)
Wodzisław Śląski ⓘ Pszów ?	[Pyroaurite-2H] Ł. Kruszewski PXRD data
Zawiercie County Gmina Łazy Rokitno Szlacheckie ⓘ Zawiercie skarn	[Hydrotalcite] Koszowska E., Salata D. 2001: Minerals of the hydrotalcite group in metasomatically altered carbonate rocks from Zawiercie, S Poland. Mineralogia Polonica, vol. 32, no 1, 69-84
Romania
Caraş-Severin County ⓘ Ocna de Fier	[Pyroaurite] new data and review. The Canadian Mineralogist, 37(6), 1343-1362. Marincea, S. (1999) Ludwigite from the type locality, Ocna de Fier, Romania: new data and review. Canadian Mineralogist, 37, 1343-1362. Marincea, S. (1999). Ludwigite from the type locality, Ocna de Fier, Romania
Cluj County Iara ⓘ Cacova Ierii	[Pyroaurite] Marincea, S. (2000). Magnesian borates and associated minerals in the Cacova Ierii skarn deposit (Apuseni Mountains, Romania). Geonomos 8(1):1-7
Maramureș County Groșii Țibleșului ⓘ Arcer adit	[Hydrotalcite] Szakáll, Sándor - Ed. (2002) Minerals of the Carpathians. Granit, Prague.
Mehedinti County Dubova ⓘ Eibenthal	[Hydrotalcite] Minerals of Carpathians
Suceava County Iacobeni ⓘ Arșița mine	[Takovite] minerals-of-the-carpathians.eu (2008) http://minerals-of-the-carpathians.eu
Tolovanu ⓘ Tolovanu (Tolovan) Mn deposit	[Takovite] Hîrtopanu, P. (1997): Tolovanu manganese mine. In: Nedelcu, L., Moga, C., Podasca, I., Hirtopanu, P. (Eds.), Crystalline zone of the East Carpathians (Northern Bistrița Mts.): Structure, lithostratigraphy, metamorphism and metallogeny. Valea Putnei-Valea Bistriței. Romanian Journal of Mineralogy: 78 (Suppl. 2): 25-34 Szakáll, Sándor - Ed. (2002) Minerals of the Carpathians. Granit, Prague.
Russia
Altai Republic ⓘ Terektinsky ridge	[Stichtite] Tatarinov, A.V., Sapozhnikov, A.N., Prokudin, S., and Frolova, L.P. (1985): Zap. Vses. Mineral. Obshch. 114(5), 575-581.
Ust-Koksinsky District Terekta Ridge ⓘ Kyzyl-Uyuk locality	[Iowaite] Zhitova, E. S., Pekov, I. V., Chukanov, N. V., Yapaskurt, V. O., Bocharov, V. N. (2020) MINERALS OF THE SYSTEM STICHTITE-PYROAURITE-IOWAITE-WOODALLITE FROM SERPENTINITES OF THE TEREKTA RIDGE (Gorny Altai, Russia). Russian Geology and Geophysics 1, Publishing House SB RAS. doi:10.15372/rgg2019076
ⓘ Kaznakhtinskii ultrabasic massif	[Iowaite] Igor V. Pekov data
ⓘ Kaznakhtite type locality	[Stichtite] Pavel M. Kartashov analytical data 2021
Chelyabinsk Oblast ⓘ Chelyabinsk coal basin	[Pyroaurite] Cesnokov, B., Kotrly, M. and Nisanbajev, T. (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
Verkhny Ufaley Ufaley District (Ufalei District) ⓘ Ufalei Ni deposit	[Hydrotalcite] Talovina, I.V., Lazarenkov, V.G., and Vorontsova, N.I. (2003): Lithology and Mineral Resources 38(5), 403-415.
Zlatoust Kusinsk Fe-Ti-V-deposit ⓘ Zelentsovskaya Pit	[Hydrotalcite-2H] Joe Cilen
Irkutsk Oblast Nizhneilimsky District Zheleznogorsk-Ilimsky ⓘ Korshunovskoye iron deposit	[Hydrotalcite] Mazurov, M.P., Grishina, S.N., Istomin, V.E., and Titov, A.T. (2007): Geology of Ore Deposits 49(4), 271-284. Mazurov et al (2007) Geology of Ore Deposits, 49, 271–284.
Krasnoyarsk Krai Taymyrskiy Autonomous Okrug Taimyr Peninsula Putoran Plateau Noril'sk Talnakh Cu-Ni Deposit ⓘ Komsomol'skii Mine	[Iowaite] Mineralogical Society of America - Handbook of Mineralogy Evseev, A. A. (1973) Siberia's Crystals and Symmetry in the Distribution of Occurences of Minerals. World of Stone 1:11-20
Moscow Oblast Podolsk Urban District ⓘ Staropodolsky Quarry (Podolsky #2 Quarry)	[Takovite] Pavel.M. Kartashov (n.d.) analytical data. Evseev, A. A. [Евсеев, А.А.] (2004) Atlas of the World for mineralogist [Атлас мира для минералога]. Ecost Association [Ассоциация Экост], Moscow, page 18 (in Russian) webmineral.ru (2021) https://webmineral.ru/deposits/unit.php?id=366676
Murmansk Oblast ⓘ Khibiny Massif	[Hydrotalcite] www.koeln.netsurf.de/~w.steffens/khib.htm
ⓘ Kovdor Massif	[Hydrotalcite-2H] Subbotin, R. P. L. V. V., & Pakhomovsky, Y. A. (1998). A new type of scandium mineralization in phoscorites and carbonatites of the Kovdor massif, Russia. Canadian Mineralogist 36:971-980.
ⓘ Kovdor Phlogopite mine	[Hydrotalcite-2H] maurice.strahlen.org (2003) http://maurice.strahlen.org/kola/kovdor.htm
ⓘ Kovdor Zheleznyi Mine	[Hydrotalcite] Pekov, Igor V. (1998) Minerals first discovered on the territory of the former Soviet Union. Ocean Pictures, Moscow. 369pp. maurice.strahlen.org (2003) http://maurice.strahlen.org/kola/kovdor.htm
Perm Krai Gornozavodskii District Sarany ⓘ Saranovskii Mine	[Hydrotalcite] Locality descriptionIdentification: Visual Identification
Solikamsky District Solikamsk ⓘ Verkhnekamskoe K deposit	[Meixnerite] Chaykovsky, I.I., and Chaykovskaya, E.V. [Чайковский, И.И., и Чайковская, Е.В.] (2015) Bischofite, cristobalite and meixnerite of the Verkhnekamskoe salt deposit [Бишофит, кристобалит и мейкснерит Верхнекамского месторождения солей]. The problems of mineralogy, petrography and metallogeny. Scientific Readings in Memory of P.N. Chirvinskiy [Проблемы минералогии, петрографии и металлогении. Научные чтения памяти П.Н. Чирвинского]. Perm State University [Пермский Государственный Университет (ПГНИУ)], Perm [Пермь], 18, 133-144 (in Russian).
Ryazan Oblast Kasimov District ⓘ Dronino meteorite	[Reevesite] Pekov, I.V. et al (2007) European Journal of Mineralogy, 19, 891-898. Chukanov N V, Pekov I V, Levitskaya L A, Zadov A E (2009) Droninoite, Ni3Fe3+Cl(OH)8·2H2O, a new hydrotalcite-group mineral species from the weathered Dronino meteorite. Geology of Ore Deposits 51, 767-773
ⓘ Sakha	[Hydrotalcite] American Mineralogist 49:1501
Aldan ⓘ Tayezhnoe Fe-B skarn (Tayozhnoye)	[Hydrotalcite] Schreyer et al (1998), Contributions to Mineralogy and Petrology: 133: 382-388.
Mirninsky District Daldyn ⓘ Udachnaya open-pit mine (Udachnaya-Vostochnaya pipe; Udachnaya pipe)	[Iowaite] Pavel.M. Kartashov (n.d.) analytical data. Rezvukhin, D.I. Alifirova, T.A. Golovin, A.V. Mikhailenko, D.S., Korsakov, A.V., Rashchenko, S.V., Seryotkin, Y.V., Belakovskiy, D.I., Golovin, A.V. (2018): Kuliginite, a new hydroxychloride mineral from the Udachnaya kimberlite pipe, Yakutia: Implications for low-temperature hydrothermal alteration of the kimberlites. American Mineralogist, 103: 1435–1444 Korsakov, A.V. (2020) A Plethora of Epigenetic Minerals Reveals a Multistage Metasomatic Overprint of a Mantle Orthopyroxenite from the Udachnaya Kimberlite. Minerals 10, 264.
Sverdlovsk Oblast Asbest ⓘ Bazhenovsk deposit	[Hydrotalcite] Dana 7:I:654. Antonov A.A. [Антонов А.А.] (2003): Mineralogy of rodingites of the Bazhenovsk ultrabasic massif [Минералогия родингитов Баженовского гипербазитого массива]. Nauka, Sankt-Peterburg, 129 pp. (in Russian).
Saudi Arabia
Eastern Province ⓘ Wabar meteorite (Al Hadidah; Nejed)	[Reevesite] Gnos, E., Hofmann, B. A., Halawani, M. A., Tarabulsi, Y., Hakeem, M., Al Shanti, M., ... & Ramseyer, K. (2013). The Wabar impact craters, Saudi Arabia, revisited. Meteoritics & planetary science, 48(10), 2000-2014.
Medina Region ⓘ Al-Monawarh	[Reevesite] Faheha, A. A., Hamidalddin, S. Q., Al-Turkestany, N. A., & Ibraheim, N. M. (2012). Concentrations Of Natural And Man-Made Radioactivity Of Surface Soil In Al-Madinh Al-Monawarah, Western Province of Saudi Arabia. Isotope and Radiation Research, 44(2), 495-504.
Serbia
Central Serbia Moravica District Gornji Milanovac ⓘ Takovo	[Takovite] Zap.Srpskog.Geol. Drustva zo 1955 god. Acta Geologica Hungarica 46:313-320 AM 62 (1977), 458
Raška District Kraljevo City ⓘ Radočelo Mt.	[UM2002-02-COH:FeNi] Maksimović, Z., Pantó, G., Nagy, G. (2002): Iron-rich reevesitefrom the Ni-Fe ores of Mt. Radočelo, Serbia, a possible new member of the hydrotalcite subgroup. Acta Geol. Hungarica: 45: 373–383 in: Jambor, J.L., Roberts, A.C. (2003): New mineral names. Am. Mineral.: 88: 1628
South Africa
Limpopo Capricorn District Municipality Blouberg Local Municipality Waterberg project ⓘ F-Zone	[Stichtite] McCreesh, M. J., Yudovskaya, M. A., Kinnaird, J. A., & Reinke, C. (2018). Platinum-group minerals of the F and T zones, Waterberg Project, far northern Bushveld Complex: implication for the formation of the PGE mineralization. Mineralogical Magazine, 82(3), 539-575.
Mopani District Municipality Ba-Phalaborwa Local Municipality Murchison Range Gravelotte ⓘ Consolidated Murchison Mines	[Stichtite] Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, Linden .
ⓘ Murchison Mine	[Stichtite] Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, Linden .
Phalaborwa ⓘ Palabora Mine	[Hydrotalcite] Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, Linden . Gliddon, J. (1996) Minerals of the Palabora open pit. British Micromount Society 43:2-7
Mpumalanga Ehlanzeni District Municipality Mbombela Local Municipality ⓘ Barberton	[Stichtite-2H] Am Min 26 (1941), 295
ⓘ Bon Accord Ni deposit	[Reevesite] Am Min 54 (1969), 1204-1208 Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, Linden .
ⓘ Munnik-Myburgh mine	[Stichtite] Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, Linden .
ⓘ Kaapschehoop	[Stichtite-2H] www.johnbetts-fineminerals.com (2021) http://www.johnbetts-fineminerals.com/jhbnyc/mineralmuseum/picshow.php?id=35821 www.johnbetts-fineminerals.com (2021) http://www.johnbetts-fineminerals.com/jhbnyc/mineralmuseum/picshow.php?id=26044 www.johnbetts-fineminerals.com (2021) http://www.johnbetts-fineminerals.com/jhbnyc/mineralmuseum/picshow.php?id=29210
ⓘ New Amianthus Mine	[Stichtite-2H] Rocks & Min.: 21:275.
ⓘ Roadcut stichtite occurrence	[Stichtite] Ashwal, Lewis D., Cairncross, Bruce (1997) Mineralogy and origin of stichtite in chromite-bearing serpentinites. Contributions to Mineralogy and Petrology, 127 (1) 75-86 doi:10.1007/s004100050266 Betts, John (n.d.) John Betts website listing.
ⓘ Stella mine	[Stichtite] PMPB Meulenbeld collection photo ID 1197845
Gert Sibande District Municipality Chief Albert Luthuli Local Municipality ⓘ Kalkkloof asbestos deposit	[Stichtite] Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, Linden .
ⓘ Sterkspruit Mine	[Stichtite] Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, Linden .
ⓘ Stolzburg Mine	[Stichtite] Cairncross, B., Dixon, R. (1995) Minerals of South Africa. Geological Society of South Africa, Linden .
Northern Cape John Taolo Gaetsewe District Municipality Joe Morolong Local Municipality N'Chwaning Mines ⓘ N'Chwaning II Mine	[Hydrotalcite] Cairncross, B., Beukes, N.J. (2013) The Kalahari Manganese Field, the adventure continues. Struik Nature Publishers, Cape Town, South Africa.
South Korea
Gyeonggi Province Gwacheon City ⓘ Buksite	[Reevesite] Song, Y., Moon, H-S., Chon, H-T. (1995) New occurrence and characterization of Ni-serpentines in the Kwangcheon area, Korea. Clay Minerals, 30 (3) 211-224 doi:10.1180/claymin.1995.030.3.05 Song, Y., Moon, H.-S. (1998) Additional data on reevesite and its Co-analogue, as a new member of the hydrotalcite group. Clay Minerals, 33 (2) 285-296 doi:10.1180/000985598545480
Spain
Andalusia Almería ⓘ Cerro del Almirez massif	[Iowaite] Evans, B. W., & Cowan, D. S. (2012). A Melt origin for spinifex-textured metaperidotite in the Cerro del Almirez massif, southern Spain. American Journal of Science, 312(9), 967-993.
Huércal-Overa Cuesta Alta Cerro Minado Mines ⓘ La Cena del Depósito concession	[Reevesite] in Spanish version (Revista de Minerales). VIÑALS, J., FAVREAU, G., and EYTIER C. & J.-R. (2010): Bobkingite, capgaronnite, juanitaite, gerhardtite, reevesite and other rare minerals from Cerro Minado, Huercal-Overa (Almería). Mineral Up, 4, 3, 6-23 Versions simultaneously published in Catalan (Mineralogistes de Catalunya)
Málaga Igualeja ⓘ El Robledal Mine (Cañuelo skarn)	[Hydrotalcite] González-Pérez, Igor, Isabel Fanlo, Gonzalo Ares, Fernando Gervilla, José María González-Jiménez, Antonio Acosta-Vigil, and Enrique Arranz. (2023) "The Unconventional Peridotite-Related Mg-Fe-B Skarn of the El Robledal, SE Spain" Minerals 13, no. 3: 300. https://doi.org/10.3390/min13030300
Ojén Ojén lherzolite massif ⓘ La Gallega Mine	[Reevesite] www.foro-minerales.com (n.d.) https://www.foro-minerales.com/forum/viewtopic.php?p=92133
Asturias Salas Carlés ⓘ Carlés Mine	[Pyroaurite] Calvo, M. & Viñals, J. (2014). Mineralogy of the gold deposit in Carlés, Salas, Asturias, Spain. Mineral Up, 3 (6), 6-32
Canary Islands Las Palmas Province Lanzarote Yaiza ⓘ Punta Papagayo	[Hydrotalcite] Van hee, Paul (2022) MKA-avonturen in Lanzarote. Geonieuws: 47(9): 233-236.
Castile-La Mancha Ciudad Real Almagro ⓘ Cerro Moreno volcano (Cerro Moreno quarry)	[Hydrotalcite] Calvo, Miguel, Viñals, Joan, Sanz, Agustín, Martí, Joan (2013) Zeolites and associated minerals in the vacuoles of some of the Campo de Calatrava volcanoes - Ciudad Real, Spain. Mineral Up, 3 (4) 54-69
Sweden
Örebro County Ljusnarsberg Kopparberg Kaveltorp Mines ⓘ Aurora Mine	[Hydrotalcite]
Värmland County Filipstad Långban Ore District ⓘ Långban Mine	[Hydrotalcite] Kjell Gatedal collection and identification Holtstam, Dan, Langhof, Jörgen - Eds. (1999) Långban - The mines, their minerals, geology and explorers. Raster Förlag; Swedish Museum of Natural History, Stockholm. p.1-216.
ⓘ The Pole dump	[Pyroaurite] (2012) Exkursion till Värmland 17-20 Maj 2012. Berg & Mineral. Medlemstidning för Stockholms Amatörgeologiska Sällskap, 22 (70) 7-9
ⓘ Nordmark Odal Field	[Hydrotalcite] Kjell Gatedal collection and identification
ⓘ Moss mine	[Pyroaurite]
Persberg ore district ⓘ Gåsgruvan ore field	[Pyroaurite] Sandström, F., Lorin, T. & Strand, U. (2009): Geologi och mineralogi i Gåsgruvefältet, Filipstad. Litofilen. 26 (2): 16-38
ⓘ Gåsgruvan ?	[Pyroaurite-2H] Linden, R.H. (2002): Gåsgruvan, En mineralundersökning under åren 1996-2002. Östra Värmlands Mineralsällskap (Cited in Sandström, F., Lorin, T. & Strand, U. (2009): Geologi och mineralogi i Gåsgruvefältet, Filipstad. Litofilen. 26 (2): 16-38
ⓘ Gåsgruvan Quarry	[Pyroaurite] Kjell Gatedal collection and identification
Pajsberg ⓘ Harstigen Mine	[Pyroaurite] Nysten, Per (2004) Harstigen ett mineralogisk eldorado i Bergslagen [Harstigen - a mineral eldorado in Bergslagen]. Norsk Bergverksmuseum Skrift, 28. 5-13
Switzerland
Grisons Albula Region Vaz/Obervaz Solis ⓘ Heidbach (Rain digl Lai)	[Reevesite] Stalder, H.A., Wagner, A., Graeser, S., and Stuker, P. (1998) Mineralienlexikon der Schweiz. Verlag Wepf & Co., Basel, page 347 Graeser, S., and Kindlimann, J. (2001) Heidbach/Schynschlucht - eine neue Fundstelle ungewöhnlicher Mineralien. Mineralienfreund, 39, 3, 14-21 Hofmann, B., Soom, M., Kürsteiner, P., and Graeser, S. (2014) Wenig bekannte Tonmineralien: Neufunde von Dickit, Palygorskit und Rectorit aus der Schweiz. Schweizer Strahler, 4 (4/2014), 23-34.
Valais Goms Binn ⓘ Geisspfad area	[Reevesite] Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 347.
Sierre Anniviers Ayer ⓘ Plantorin Mine (L'Omen Roso Mine)	[Reevesite] Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
Saint-Luc ⓘ Lower Tignousa Mine (Lower Tignausa Mine)	[Reevesite] Ansermet, S. with contributions of Meisser, N. (2012): Mines et minéraux du Valais. II. Anniviers et Tourtemagne. Musée de la Nature (Sion), Musée Cantonal de Géologie (Lausanne), and Editions Porte-Plumes (Ayer), 374 pp.
Tajikistan
Gorno-Badakhshan Pyandzh River Valley ⓘ Kukh-i-Lal (Kukhilal; Kuhi-lal)	[Hydrotalcite] Pavel.M. Kartashov (n.d.) analytical data.
Turkey
Burdur Province Yeşilova District Doganbaba ⓘ Bögürtlencik Tepe	[Hydrotalcite] American Mineralogist, Volume 61, pages 825-830, 1976
Elazığ Province Alacakaya District Alacakaya ⓘ Güleman Mines ?	[Pyroaurite] Erik vercammen finds and collectionIdentified by Erik Vercammen: Visual Identification
Manisa Province Turgutlu District ⓘ Çaldağ Mine	[Takovite] Helvaci, C., Gündoğan, İ., Oyman, T., Sözbi̇li̇r, H., & Parlak, O. (2013) Çaldağ (Turgutlu-Manisa) lateritik Ni-Co yatağının jeolojisi, mineralojisi ve jeokimyasal özellikleri. Yerbilimleri Dergisi, 34(2), 141-168.
UK
England Bath and North East Somerset East Harptree ⓘ East Harptree Lead Mine	[Hydrotalcite] Day, Harry (1999) BMS Database, British Micromount Society.
Scotland Aberdeenshire ⓘ Leslie	[Pyroaurite] Embrey, Peter G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, 42 (322) 169-177 doi:10.1180/minmag.1978.042.322.01
Argyll and Bute Inveraray ⓘ Craignure Mine	[Reevesite] Day, Harry (1999) BMS Database, British Micromount Society.
Shetland Islands ⓘ Haaf Grunay	[Pyroaurite] Heddle, Matthew Forster (1878) XIII. The Geognosy and Mineralogy of Scotland. Mineralogical Magazine and Journal of the Mineralogical Society, 2 (10) 106-133 doi:10.1180/minmag.1878.002.10.03 Rouxhet, P.G. & Taylor, H.F.W. (1969) Thermal decomposition of Sjögrenite and Pyroaurite. Chimia, vol. 23, p. 480-5.
Mainland Cunningsburgh ⓘ Hoo Field ?	[Stichtite-2H] Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 39
ⓘ Unst	[Pyroaurite] [Specimen in the Natural History Museum, London]
ⓘ Cliff Quarry ?	[Pyroaurite] Dr Stephen Moreton collection.
ⓘ Hagdale Quarry	[Reevesite] Bish, D. L., Livingstone, A. (1981) The crystal chemistry and paragenesis of honessite and hydrohonessite: the sulphate analogues of reevesite. Mineralogical Magazine, 44 (335) 339-343 doi:10.1180/minmag.1981.044.335.15 Livingstone, A., Bish, D. L. (1982) On the new mineral theophrastite, a nickel hydroxide, from Unst, Shetland, Scotland. Mineralogical Magazine, 46 (338) 1-5 doi:10.1180/minmag.1982.046.338.01 Livingstone, A., Macpherson, H. G. (1983) Fifth supplementary list of British minerals (Scottish) Mineralogical Magazine, 47 (342) 99-105 doi:10.1180/minmag.1983.047.342.23
ⓘ Nikka Vord ?	[Pyroaurite] Heddle, M.F. (1901) Mineralogy of Scotland. vol. 1, p. 111.
ⓘ Setters Quarry ?	[Pyroaurite] Dr Stephen Moreton collection.
USA
Arizona Cochise County Turquoise Mining District (Courtland-Gleeson Mining District) ⓘ Barrett Camp ghost town	[Reevesite] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 353.
Coconino County Meteor Crater area ⓘ Canyon Diablo meteorite	[Reevesite] Space Science Reviews, Volume 14, Issue 6, pp.758-831
California Calaveras County Foothill Copper Belt Copperopolis ⓘ Pacific Asbestos Mine (Pacific Asbestos pit)	[Reevesite] Van Nostrand Reinholt Press: 198. Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Fresno County Archer Camp ⓘ Unnamed Ni occurrence [1]	[Pyroaurite] Van Nostrand Reinholt Press: 198. Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Coalinga ⓘ Coalinga Asbestos Mine (Coalinga Mine; Coalinga Asbestos deposit)	[Desautelsite] Van Nostrand Reinholt Press: 199. Dunn, Pete J., Peacor, Donald R., Palmer, Thomas D. (1979) Desautelsite, a new mineral of the pyroaurite group. American Mineralogist, 64 (1-2) 127-130 Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
ⓘ Herman Akers claim	[Desautelsite] Dunn, Pete J., Peacor, Donald R., Palmer, Thomas D. (1979) Desautelsite, a new mineral of the pyroaurite group. American Mineralogist, 64 (1-2) 127-130
Condon Peak ⓘ Atlas Asbestos Company Mine (Atlas pit; Santa Cruz Mine; Hidden Splendor Mine; Hiden Splendor Mine)	[Reevesite] Reiner Mielke
Wright Mountain ⓘ New Idria Serpentinite Asbestos deposits	[Hydrotalcite] Van Nostrand Reinholt Press: 198. Mumpton, F.A. Jaffe, H.W., and Thompson, C.S. (1965) Coalingite, a new mineral from the New Idria serpentinite, Fresno and San Benito counties, California. American Mineralogist: 50: 1893-1913 Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Riverside County Jurupa Valley Crestmore ⓘ Crestmore quarries	[Hydrotalcite] [micromounts@yahoogroups.com]
San Benito County Goat Mountain ⓘ Clear Creek claim (Clear Creek Mine)	[Reevesite] Dunning, Gail E., Hadley, Ted A., Magnasco, John, Christy, Andrew G., Cooper, Joseph F. Jr. (2005) The Clear Creek mine, San Benito County, California: a unique mercury locality. The Mineralogical Record, 36 (4) Tucson. 337-363
ⓘ Unnamed Ni prospect [1]	[Reevesite] Van Nostrand Reinholt Press: 199. Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Idria (New Idria) ⓘ New Idria Serpentine mass	[Hydrotalcite] Van Nostrand Reinholt Press: 199. Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Idria Peak ⓘ Clear Creek deposits	[Reevesite] www.mineralsocal.org
ⓘ New Idria Mining District	[Hydrotalcite] American Mineralogist 1965: 50: 1893-1913.
Picacho Peak ⓘ Artinite pit	[Desautelsite] www.benitoitemine.com
ⓘ Unnamed prospect	[Desautelsite] Van Nostrand Reinholt Press: 199, 201. Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
ⓘ Victor claim (Victor Mine)	[Pyroaurite] Joseph F. Cooper Jr., Gail E. Dunning, Ted A.Hadley (2003) Minerology of the Victor Claim, Clear Creek Area, New Idria District, San Benito County, California.
San Francisco County San Francisco Duboce Street near Market Street ⓘ United States Mint site	[Pyroaurite] Van Nostrand Reinholt Press: 199. Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
ⓘ Fort Point	[Pyroaurite] Van Nostrand Reinholt Press: 199. Schlocker, J. (1974) Geology of the San Francisco North quadrangle. USGS Professional Paper 782, 109 pp.: 59, 62 Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
Sonoma County Healdsburg ⓘ US Highway 101 roadcut	[Pyroaurite-2H] Van Nostrand Reinholt Press: 200. Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc.
ⓘ Lytton	[Pyroaurite-2H] www.minresco.com/syst/s.htm
Iowa Sioux County ⓘ Matlock drill core	[Iowaite] American Mineralogist: 52: 1261-1271.
Maryland Cecil County ⓘ Line pit (Lowe's Mine)	[Pyroaurite] Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Montgomery County Rockville ⓘ Hunting Hill Quarry	[Desautelsite] Parker, Fred J. (2005) The minerals of the Hunting Hill quarry, Rockville, Maryland. The Mineralogical Record, 36 (5) 435-446
Michigan Menominee County Hermansville ⓘ Kimberlite 73	[Meixnerite] Xu, J. Melgarejo, J.C. Li, Q. Abat, L.T. Xu, J., Melgarejo, J. C., i Abat, L. T., & Castillo-Oliver, M. (2017) Magma mingling at the Menominee pipe, USA? Contributions from texture and mineral chemistry. 11th International Kimberlite Conference Extended Abstract No. 11IKC-4625, 2017 Castillo-Oliver, M. (2020) Magma Mingling in Kimberlites: Evidence from the Groundmass Cocrystallization of Two Spinel-Group Minerals. Minerals 10, 829.
New Jersey Sussex County Franklin ⓘ Franklin Mine	[Hydrotalcite] Dunn, P.J.: Min.Rec.:10:160-165 (1979) Dunn(1995):Pt4:621.
Ogdensburg Sterling Hill ⓘ Sterling Mine	[Iowaite] Modris Baum collection - Joy Desor analysis
ⓘ North Ore Body	[Pyroaurite] Peter Chin
Vernon Township ⓘ Vernon	[Hydrotalcite]
New Mexico Luna County Victorio Mountains ⓘ Victorio District (Gage District)	[Reevesite] Mike Scott S104317 from Cureton #CQK ID by SA Williams 1993 Virginia T. McLemore, Nelia Dunbar, Matt T. Heizler, Kelly Donahue (2000): Geology and mineral deposits of the Victorio mining district, Luna County , New Mexico- Preliominary observations, New Mexico Geologic Society Guidebook, 51st field Conference, Southwest passage – A trip through the Phanerozoic, pp267-278
New York ⓘ Jefferson County	[Hydrotalcite] Ford, 1932. Dana's Textbook of Mineralogy, 4th ed.
ⓘ New York City	[Hydrotalcite-2H] John H. Betts (2009) "The minerals of New York City", Rocks & Minerals, 84, 204-240.
Staten Island (Richmond County) ⓘ Todt Hill Serpentinite	[Pyroaurite] Collected by Steve Okulewicz
Orange County Town of Warwick ⓘ Amity	[Hydrotalcite-2H] Frondel (1941)
Putnam County Town of Southeast ⓘ Tilly Foster Iron Mine	[Hydrotalcite] (Manchester, 1931) (Trainer, 1938) (Whitlock, 1903).
ⓘ St. Lawrence County	[Hydrotalcite] Ford, 1932. Dana's Textbook of Mineralogy, 4th ed.
Pennsylvania Lancaster County Fulton Township ⓘ Cedar Hill Quarry (Stoltzfuss Quarry)	[Desautelsite] Dunn, Pete J., Peacor, Donald R., Palmer, Thomas D. (1979) Desautelsite, a new mineral of the pyroaurite group. American Mineralogist, 64 (1-2) 127-130
ⓘ Line pit (Lowe's Chromite Mine)	[Pyroaurite] Mineralogical Record (1981): 12(3): 149-156.
Little Britain Township Texas ⓘ Wood's Chrome Mine	[Pyroaurite] Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania
Lebanon County Cornwall Borough (Cornwall) ⓘ Cornwall Mines (Cornwall Iron Mine)	[Pyroaurite] Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania
Utah Utah County Oquirrh Mountains ⓘ Wells Canyon	[Takovite] Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey
Vermont Orleans & Lamoille Cos. Lowell & Eden ⓘ Belvidere Mountain Quarries	[Hydrotalcite] Levitan, Denise et al. (2009): Mineralogy of mine waste at the Vermont Asbestos Group mine, Belvidere Mountain, Vermont. American Mineralogist 94(7):1063-1066.
Washington Stevens County Chewelah Mining District ⓘ Finch Quarry	[Hydrotalcite] Cannon, Bart (1975) Minerals of Washington. Cordilleran, Mercer Island, WA.
Uzbekistan
Tashkent Piskent District ⓘ Olmaliq	[Iowaite] Mineralogical Society of America - Handbook of Mineralogy
Zimbabwe
Midlands Zvishavane District Zvishavane (Shabani; Shabanie; Shavani) ⓘ Asbestos Mine (Shabani; Shabanie Mine)	[Stichtite] Laubscher, D.H. (1986): Chrysotile asbestos in the Zvishavane (Shabani) and Mashava (Mashaba) areas, Zimbabwe. In: Anhaeusser C.R., and Maske, S. (eds.): Mineral deposits of southern Africa. Geol. Soc. S. Afr., Johannesburg, pp. 377-393.