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Barrerite

A valid IMA mineral species

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Photos of Barrerite (67)

Barrerite Gallery Search Photos of Barrerite

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Barrerite

Rocky Pass, Petersburg Borough, Alaska, USA

Barrerite, etc.

Rocky Pass, Petersburg Borough, Alaska, USA

Barrerite

Rocky Pass, Petersburg Borough, Alaska, USA

Barrerite

Rocky Pass, Petersburg Borough, Alaska, USA

Barrerite, etc.

Rocky Pass, Petersburg Borough, Alaska, USA

Barrerite

Rocky Pass, Petersburg Borough, Alaska, USA

Barrerite

Rocky Pass, Petersburg Borough, Alaska, USA

Barrerite

Rocky Pass, Petersburg Borough, Alaska, USA

Barrerite, etc.

Rocky Pass, Petersburg Borough, Alaska, USA

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About BarreriteHide

Formula:

Na₂(Si₇Al₂)O₁₈ · 6H₂O

Usually not pure, but containing also minor K and Ca. Formula also given as (Na,K,Ca_0.5)₂[Al₂Si₇O₁₈] · 7H₂O.

Colour:

White, Pink

Lustre:

Vitreous

Hardness:

3 - 4

Specific Gravity:

2.3

Crystal System:

Orthorhombic

Member of:

Stilbite Subgroup > Zeolite Group

Name:

Named for Richard Maling Barrer (1910-1996), New Zealand-born British teacher and student of the chemistry of zeolites

Type Locality:

ⓘ Sant' Efisio Tower (Punta del Coltellazzo), Capo di Pula (Capo Pula; Nora), Pula, Metropolitan City of Cagliari, Sardinia, Italy

Zeolite Group.

Compare stilbite-Na.

Unique IdentifiersHide

Mindat ID:

536

Long-form identifier:

mindat:1:1:536:6

GUID
(UUID V4):

7927bd02-afba-4c50-aa92-89215f395c02

IMA Classification of BarreriteHide

IMA status:

Approved

First published:

1974

Type description reference:

Passaglia, E., Pongiluppi, D. (1974) Sodian stellerite from Capo Pula, Sardegna. Lithos, 7 (2) 69-73 doi:10.1016/0024-4937(74)90019-x

Classification of BarreriteHide

Strunz-mindat (2024):

9.GE.15

9 : SILICATES (Germanates)
G : Tektosilicates with zeolitic H₂O; zeolite family
E : Chains of T₁₀O₂₀ Tetrahedra

Dana 7th ed.:

77.1.4.5

Dana 8th ed.:

77.1.4.5

77 : TECTOSILICATES Zeolites
1 : Zeolite group - True zeolites

Hey's CIM Ref.:

16.10.14

16 : Silicates Containing Aluminum and other Metals
10 : Aluminosilicates of Ca and alkalis

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

Symbol	Source	Reference
Bre	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Brr	The Canadian Mineralogist (2019)	The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Physical Properties of BarreriteHide

Lustre:

Vitreous

Transparency:

Transparent, Translucent

Colour:

White, Pink

Streak:

White

Hardness:

3 - 4 on Mohs scale

Cleavage:

Perfect
on {010}

Density:

2.3 g/cm³ (Measured) 2.08 g/cm³ (Calculated)

Optical Data of BarreriteHide

Type:

Biaxial (-)

RI values:

n_α = 1.479 n_β = 1.485 n_γ = 1.489

2V:

Measured: 78° , Calculated: 78°

Max Birefringence:

δ = 0.010

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Moderate

Dispersion:

none

Chemistry of BarreriteHide

Mindat Formula:

Na₂(Si₇Al₂)O₁₈ · 6H₂O

Usually not pure, but containing also minor K and Ca. Formula also given as (Na,K,Ca_0.5)₂[Al₂Si₇O₁₈] · 7H₂O.

Elements listed:

Al, H, Na, O, Si - search for minerals with similar chemistry

Common Impurities:

Ca,K,Fe,Mn,Mg,Sr,Ba

Crystallography of BarreriteHide

Crystal System:

Orthorhombic

Class (H-M):

mmm (2/m 2/m 2/m) - Dipyramidal

Cell Parameters:

a = 13.634 Å, b = 18.206 Å, c = 17.845 Å

Ratio:

a:b:c = 0.749 : 1 : 0.98

Unit Cell V:

4,429.50 Å³ (Calculated from Unit Cell)

Comment:

Non-standard space-group setting Amma

Crystal StructureHide

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

ID	Species	Reference	Year	Locality	Temp (K)
0004773	Barrerite	Ori S, Mazzucato E, Vezzalini G (2009) Dehydration dynamics of barrerite: An in situ synchrotron XRPD study American Mineralogist 94 64-73	2009	Kuiu Island, Alaska	339
0004774	Barrerite	Ori S, Mazzucato E, Vezzalini G (2009) Dehydration dynamics of barrerite: An in situ synchrotron XRPD study American Mineralogist 94 64-73	2009	Kuiu Island, Alaska	482
0004775	Barrerite	Ori S, Mazzucato E, Vezzalini G (2009) Dehydration dynamics of barrerite: An in situ synchrotron XRPD study American Mineralogist 94 64-73	2009	Kuiu Island, Alaska	637
0014404	Barrerite	Sacerdoti M, Sani A, Vezzalini G (1999) Structural refinement of two barrerites from Alaska Microporous and Mesoporous Materials 30 103-109	1999	Kuiu Island, Alaska, USA	293
0014405	Barrerite	Sacerdoti M, Sani A, Vezzalini G (1999) Structural refinement of two barrerites from Alaska Microporous and Mesoporous Materials 30 103-109	1999	Kuiu Island, Alaska, USA	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Barrerite'
loop_
_publ_author_name
'Ori S'
'Mazzucato E'
'Vezzalini G'
_journal_name_full 'American Mineralogist'
_journal_volume 94 
_journal_year 2009
_journal_page_first 64
_journal_page_last 73
_publ_section_title
;
 Dehydration dynamics of barrerite: An in situ synchrotron XRPD study
 Note: BAR-A, T = 339 K
;
_database_code_amcsd 0004773
_chemical_compound_source 'Kuiu Island, Alaska'
_chemical_formula_sum 'Na1.981 K.797 Mg.069 Ca.492 (Si13.842 Al4.158) O45.6 H19.2'
_cell_length_a 13.6336
_cell_length_b 18.2056
_cell_length_c 17.8445
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 4429.146
_exptl_crystal_density_diffrn      2.021
_symmetry_space_group_name_H-M 'A m m a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2+y,1/2+z'
  '1/2+x,y,-z'
  '1/2+x,1/2+y,1/2-z'
  '1/2-x,-y,z'
  '1/2-x,1/2-y,1/2+z'
  'x,-y,z'
  'x,1/2-y,1/2+z'
  '-x,y,-z'
  '-x,1/2+y,1/2-z'
  '1/2-x,y,z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,-y,-z'
  '1/2+x,1/2-y,1/2-z'
  '-x,-y,-z'
  '-x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
NaC1   0.25000   0.00000   0.04500   0.13500   0.07100
KC1   0.25000   0.00000   0.04500   0.05400   0.07100
MgC1   0.25000   0.00000   0.04500   0.00500   0.07100
CaC1   0.25000   0.00000   0.04500   0.03400   0.07100
NaC1P   0.25000   0.00000   0.46300   0.29600   0.07100
KC1P   0.25000   0.00000   0.46300   0.11900   0.07100
MgC1P   0.25000   0.00000   0.46300   0.01000   0.07100
CaC1P   0.25000   0.00000   0.46300   0.07400   0.07100
NaC2   0.04800   0.06400   0.00400   0.12100   0.07100
KC2   0.04800   0.06400   0.00400   0.04900   0.07100
MgC2   0.04800   0.06400   0.00400   0.00400   0.07100
CaC2   0.04800   0.06400   0.00400   0.03000   0.07100
NaC2P   0.10000   0.07800   0.43100   0.19300   0.07100
KC2P   0.10000   0.07800   0.43100   0.07800   0.07100
MgC2P   0.10000   0.07800   0.43100   0.00700   0.07100
CaC2P   0.10000   0.07800   0.43100   0.04800   0.07100
NaC3   0.19300   0.00000   0.28900   0.14700   0.07100
KC3   0.19300   0.00000   0.28900   0.05800   0.07100
MgC3   0.19300   0.00000   0.28900   0.00500   0.07100
CaC3   0.19300   0.00000   0.28900   0.03600   0.07100
SiT1   0.13540   0.30660   0.12640   0.76900   0.04600
AlT1   0.13540   0.30660   0.12640   0.23100   0.04600
SiT1P   0.13400   0.30920   0.37480   0.76900   0.04600
AlT1P   0.13400   0.30920   0.37480   0.23100   0.04600
SiT3   0.05120   0.41120   0.24590   0.76900   0.04600
AlT3   0.05120   0.41120   0.24590   0.23100   0.04600
SiT4   0.14000   0.18450   0.24900   0.76900   0.04600
AlT4   0.14000   0.18450   0.24900   0.23100   0.04600
SiT5   0.00000   0.23880   0.00000   0.76900   0.04600
AlT5   0.00000   0.23880   0.00000   0.23100   0.04600
O1   0.07220   0.29210   0.04860   1.00000   0.05400
O1P   0.07160   0.31810   0.45370   1.00000   0.05400
O3   0.12200   0.23080   0.17190   1.00000   0.05400
O3P   0.12600   0.23630   0.32290   1.00000   0.05400
O4   0.10200   0.38250   0.16860   1.00000   0.05400
O4P   0.10300   0.37530   0.31950   1.00000   0.05400
O7   0.25000   0.31000   0.09700   1.00000   0.05400
O7P   0.25000   0.32260   0.39600   1.00000   0.05400
O8   0.06570   0.11380   0.24600   1.00000   0.05400
O9   0.05250   0.50000   0.24000   1.00000   0.05400
O10   0.25000   0.14950   0.25400   1.00000   0.05400
Wat1P   0.15200   0.15500   0.44500   0.40000   0.07100
Wat2   0.25000   0.12400   0.06500   0.73000   0.07100
Wat2P   0.25000   0.12900   0.44700   0.36000   0.07100
Wat3   0.16400   0.00000   0.16400   0.39000   0.07100
Wat3P   0.25000   0.00000   0.33600   0.40000   0.07100
Wat4   0.21100   0.00000   0.05600   0.40000   0.07100
Wat4P   0.07100   0.00000   0.40100   0.25000   0.07100
Wat5   0.15200   0.50000   0.06100   0.31000   0.07100
Wat6   0.04600   0.50000  -0.03500   0.58000   0.07100
Wat6P   0.40200   0.50000   0.42600   0.21000   0.07100
Wat8   0.25000   0.50000   0.09600   0.62000   0.07100
Wat8P   0.25000   0.50000   0.38000   0.52000   0.07100

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data courtesy of RRUFF project at University of Arizona, used with permission.

Powder Diffraction Data:

d-spacing	Intensity
9.10 Å	(> 100)
4.054 Å	(100)
3.028 Å	(80)
3.004 Å	(25)
4.659 Å	(20)
2.773 Å	(20)
1.8192 Å	(17)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 3a: Earth’s earliest Hadean crust	>4.50
10 : Basalt-hosted zeolite minerals

Type Occurrence of BarreriteHide

Type Locality:

ⓘ Sant' Efisio Tower (Punta del Coltellazzo), Capo di Pula (Capo Pula; Nora), Pula, Metropolitan City of Cagliari, Sardinia, Italy

General Appearance of Type Material:

As well-formed, laminar crystals, to 5 mm

Place of Conservation of Type Material:

University of Modena, Modena, Italy; National Museum of Natural History, Washington, D.C., USA, 128521.

Geological Setting of Type Material:

On the walls of large fractures in deeply weathered andesitic and rhyolitic lavas

Associated Minerals at Type Locality:

Heulandite Subgroup

Reference:

Passaglia, E., Pongiluppi, D. (1974) Sodian stellerite from Capo Pula, Sardegna. Lithos: 7(2): 69-73.

Other Language Names for BarreriteHide

German:Barrerit

Russian:Баррерит

Simplified Chinese:板沸石

Spanish:Barrerita

Relationship of Barrerite to other SpeciesHide

Member of:

Stilbite Subgroup > Zeolite Group

Other Members of this group:

Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O	Orth. mmm (2/m 2/m 2/m) : Fmmm
Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O	Mon. 2/m : B2/m
Stilbite-Na	Na₉(Si₂₇Al₉)O₇₂ · 28H₂O	Mon. 2/m : B2/m

Common AssociatesHide

Associated Minerals Based on Photo Data:

17 photos of Barrerite associated with Quartz	SiO₂
9 photos of Barrerite associated with Calcite	CaCO₃
7 photos of Barrerite associated with Pyrite	FeS₂
2 photos of Barrerite associated with Laumontite	CaAl₂Si₄O₁₂ · 4H₂O
1 photo of Barrerite associated with Stilbite-Na	Na₉(Si₂₇Al₉)O₇₂ · 28H₂O
1 photo of Barrerite associated with Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O
1 photo of Barrerite associated with Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O

Related Minerals - Strunz-mindat Grouping Hide

9.GE.05	Clinoptilolite-Ca	Ca₃(Si₃₀Al₆)O₇₂ · 20H₂O	Mon. 2/m
9.GE.05	Clinoptilolite-K	K₆(Si₃₀Al₆)O₇₂ · 20H₂O	Mon. 2/m
9.GE.05	Clinoptilolite-Na	Na₆(Si₃₀Al₆)O₇₂ · 20H₂O	Mon. 2/m : B2/m
9.GE.05	Heulandite-Ca	(Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O	Mon. 2/m : B2/m
9.GE.05	Heulandite-K	(K,Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O	Mon. 2/m : B2/m
9.GE.05	Heulandite-Na	(Na,Ca,K)₆(Si,Al)₃₆O₇₂ · 22H₂O	Mon. m : Bm
9.GE.05	Heulandite-Sr	(Sr,Na,Ca)₅(Si₂₇Al₉)O₇₂ · 24H₂O	Mon. m : Bm
9.GE.05	Heulandite-Ba	(Ba,Ca,K)₅(Si₂₇Al₉)O₇₂ · 22H₂O	Mon. 2/m : B2/m
9.GE.10	Stilbite-Ca	NaCa₄(Si₂₇Al₉)O₇₂ · 28H₂O	Mon. 2/m : B2/m
9.GE.10	Stilbite-Na	Na₉(Si₂₇Al₉)O₇₂ · 28H₂O	Mon. 2/m : B2/m
9.GE.15	Stellerite	Ca₄(Si₂₈Al₈)O₇₂ · 28H₂O	Orth. mmm (2/m 2/m 2/m) : Fmmm
9.GE.20	Brewsterite-Ba	(Ba,Sr)[Al₂Si₆O₁₆] · 5H₂O	Mon. 2/m : P2₁/m
9.GE.20	Brewsterite-Sr	(Sr,Ba,Ca)[Al₂Si₆O₁₆] · 5H₂O	Mon. 2/m : P2₁/m

Other InformationHide

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for BarreriteHide

mindat.org URL:

https://www.mindat.org/min-536.html
Please feel free to link to this page.

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External Links:

Look for Barrerite on Webmineral

Look for Barrerite on Wikipedia

Look for Barrerite on Mineralien Atlas

Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for BarreriteHide

Reference List:

Passaglia, E., Pongiluppi, D. (1974) Sodian stellerite from Capo Pula, Sardegna. Lithos, 7 (2) 69-73 doi:10.1016/0024-4937(74)90019-x(as sodian stellerite)

Passaglia, E., Pongiluppi, D. (1975) Barrerite, a new natural zeolite. Mineralogical Magazine, 40 (310) 208 doi:10.1180/minmag.1975.040.310.13

Galli, Ermanno, Alberti, Alberto (1975) The crystal structure of barrerite. Bulletin de Minéralogie, 98 (6) 331-340 doi:10.3406/bulmi.1975.7013

Fleischer, Michael, Pabst, Adolf, Cabri, Louis J. (1976) New Mineral Names. American Mineralogist, 61 (9-10) 1053-1056

Alberti, A., Cariati, F., Erre, L., Piu, P., Vezzalini, G. (1983) Spectroscopic investigation on the presence of OH in natural barrerite and in its collapsed phases. Physics and Chemistry of Minerals, 9 (5) 189-191 doi:10.1007/bf00311953

Sacerdoti, Michele, Gomedi, Isabetta (1984) Crystal structural refinement of Ca-exchanged barrerite. Bulletin de Minéralogie, 107 (6) 799-804 doi:10.3406/bulmi.1984.7821

Di Renzo, Francesco, Gabelica, Zelimir (1997) Barrerite and other zeolites from Kuiu and Kupreanof Islands, Alaska. The Canadian Mineralogist, 35 (3) 691-698

Coombs, Douglas S., Alberti, Alberto, Armbruster, Thomas, Artioli, Gilberto, Colella, Carmine, Galli, Ermanno, Grice, Joel D., Liebau, Friedrich, Mandarino, Joseph A., Minato, Hideo, Nickel, Ernest H., Passaglia, Elio, Peacor, Donald R., Quartieri, Simona, Rinaldi, Romano, Ross, Malcolm I., Sheppard, Richard A., Tillmanns, Ekkehart, Vezzalini, Giovanna (1997) Recommended nomenclature for zeolite minerals; report of the Subcommittee on Zeolites of the International Mineralogical Association, Commission on New Minerals and Mineral Names. The Canadian Mineralogist, 35 (6) 1571-1606

Jambor, John L., Grew, Edward S., Roberts, Andrew C. (1998) New mineral names. American Mineralogist, 83. 1347-1352

Sacerdoti, M., Sani, A., Vezzalini, G. (1999) Structural refinement of two barrerites from Alaska. Microporous and Mesoporous Materials: 30: 103-109.

Meneghinello, Elisabetta, Alberti, Alberto, Cruciani, Giuseppe, Sacerdoti, Michele, Intyre, Garry Mc, Ciambelli, Paolo, Rapacciuolo, Maria T. (2000) Single crystal neutron diffraction study of the natural zeolite barrerite in its ND4-exchanged form. European Journal of Mineralogy, 12 (6) 1123-1129 doi:10.1127/0935-1221/2000/0012-1123

Sani, Alessandra, Delmotte, Luc, Marichal, Claire, Gabelica, Zelimir, Forte, Claudia (2001) 29Si, 27Al and 23Na MAS NMR study of the natural zeolite barrerite and its dehydrated phases. European Journal of Mineralogy, 13 (1) 101-111 doi:10.1127/0935-1221/01/0013-0101

Nishido, H., Akashi, H., Ohnishi, M., Fujimoto, M., Kobayashi, S., Kusachi, I. (2005) Barrerite first found from Hirado Island, Nagasaki Prefecture, Japan. In Abstracts for Annual Meeting of the Mineralogical Society of Japan 2005 Annual Meeting of the Mineralogical Society of Japan: 123-123.

Sacerdoti, Michele (2007) The crystal structure of zeolite barrerite dehydrated in air at 400–450 C. Microporous and Mesoporous Materials, 102 (1-3) 299-303 doi:10.1016/j.micromeso.2007.01.012

Ori, S., Mazzucato, E., Vezzalini, G. (2009) Dehydration dynamics of barrerite: An in situ synchrotron XRPD study. American Mineralogist, 94 (1) 64-73 doi:10.2138/am.2009.2914

Cametti, G., Armbruster, T., Nagashima, M. (2016) Thermal stability of barrerite and Na-exchanged barrerite: An in-situ single crystal X-ray diffraction study under dry conditions. Microporous and Mesoporous Materials, 236. 71-78

(2023) Barrerite. Handbook of Mineralogy. Mineralogical Society of America

Localities for BarreriteHide

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.


Antarctica
Eastern Antarctica Buckley Island quadrangle ⓘ Lewis Cliff	Liu et al. (2015)

Argentina
Chubut Province Futaleufú Department ⓘ Futalaufquen Lake	R. S. Bowman and S. E. Delap (Eds.)
ⓘ Metamorphosed basalts	R. S. Bowman and S. E. Delap (Eds.)
Neuquén Province Los Lagos Department ⓘ Confluencia	Vattuone et al. (2001)

Canada
British Columbia Vancouver Island Victoria Mining Division ⓘ Metchosin Igneous Complex	Timpa et al. (2005)
Northwest Territories Mackenzie Mountains Tungsten ⓘ Cantung Mine	www.trinityminerals.com +1 other reference
Nova Scotia Colchester Co. ⓘ Five Islands	Pe-Piper et al. (2002)
Cumberland Co. ⓘ Cape d'Or (Cap d'Or)	Pe-Piper et al. (2002)
ⓘ Five Islands	Pe-Piper et al. (2002)
Parrsboro ⓘ Partridge Island	Pe-Piper et al. (2002)
West Bay ⓘ Cape Sharp	Pe-Piper et al. (2002)
Kings Co. ⓘ Morden	Pe-Piper (2000)
Ross Creek ⓘ Woodworth Cove	Pe-Piper (2000)

Ethiopia
Afar Region ⓘ Tendaho geothermal field	Gebregziabher (1998)

Italy
Sardinia Metropolitan City of Cagliari Pula ⓘ Capo di Pula (Capo Pula; Nora)	Passaglia et al. (1974) +7 other references
ⓘ Sant' Efisio Tower (Punta del Coltellazzo) (TL)	Passaglia et al. (1974) +7 other references
South Sardinia Province ⓘ Furtei	Fernando Caboni et al. (2024)
ⓘ Furtei mine	Fernando Caboni et al. (2024)

Japan
Nagasaki Prefecture Hirado City ⓘ Hirado Island	Nishido et al. (2005)

Norway
Nordland Vefsn ⓘ Tosenveien (Fv 76) ?	Robinson et al. (1993)

Romania
Cluj County Săndulești Copăceni ⓘ Metabasalt quarry	Kristály et al. (2003) +1 other reference

Russia
Kamchatka Krai Bystrinsky District Central Kamchatka mining district ⓘ Aginskoe Au deposit (Aginskoye deposit)	Okrugin et al. (2015)
Baranyevskoe ore field ⓘ Baranyevskoe deposit	Okrugin et al. (2015)
Yelizovsky District ⓘ Asachinskoe deposit	Okrugin et al. (2015)
ⓘ Mutnovskoe	Okrugin et al. (2015)
ⓘ Rodnikovoe	Okrugin et al. (2015)

USA
Alaska Petersburg Borough ⓘ Hound Island	June 1997 +3 other references
ⓘ Kuiu Island	Di Renzo et al. (1997)
ⓘ Kupreanof Island	June 1997 +3 other references
ⓘ Rocky Pass	Valange et al. (1996) +2 other references
Nevada Pershing County Seven Troughs Mining District ⓘ Unnamed outcrop	Castor et al. (2004)
Virginia Culpeper County Mitchell ⓘ Cedar Mountain Stone Corp. Quarry (A. H. Smith quarry)	Dietrich (1990)

Barrerite

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