Walentaite Group
A group of related mineral species
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About Walentaite Group
Formula:
[(A1y,A1'1-y,A2, ◻)(H2O)n][Bx(As2)2-x(As3)M1(M2)2(TO4)2(O,OH)7]
The group was officially established in 2020 (IMA proposal approved in February 2020).
Unique Identifiers
Mindat ID:
54371
Long-form identifier:
mindat:1:1:54371:4
GUID
(UUID V4):
(UUID V4):
83f4d68d-02e3-4afa-a308-f08a7217641d
Chemical Properties of Walentaite Group
Formula:
[(A1y,A1'1-y,A2, ◻)(H2O)n][Bx(As2)2-x(As3)M1(M2)2(TO4)2(O,OH)7]
Crystal Structure
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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) |
---|---|---|---|---|---|---|---|
0020839 | Walentaite | Grey I E, Mumme W G, Hochleitner R (2019) Trimeric As3+3O6 clusters in walentaite: crystal structure and revised formula European Journal of Mineralogy 31 111-116 | 2019 | White Elephant mine, Pringle, South Dakota, USA | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Walentaite Group to other Species
Group Members:
Halilsarpite Subgroup | [(A1,A1',A2, ◻)(H2O)n][BxAs3+3-xM1(M2)2(AsO4)2(O,OH)7] | |
Halilsarpite | [Mg(H2O)6][CaAs3+2(Fe3+2.67Mo6+0.33)(AsO4)2O7] | Orth. mmm (2/m 2/m 2/m) : Imma |
Walentaite Subgroup | [(A1,A1',A2, ◻)(H2O)n][BxAs6-xM1(M2)2(PO4)2(O,OH)7] | |
Natrowalentaite | [Fe3+0.5Na0.5(H2O)6][NaAs3+2(Fe3+2.33W6+0.67)(PO4)2O7] | Orth. mmm (2/m 2/m 2/m) : Imma |
Walentaite | Fe3+3(P0.84As0.16O4)2(O,OH)6As3+2.56Ca0.42Na0.28Mn2+0.35Fe2+0.30O6.1(OH)0.9(H2O)0.9 | Orth. mmm (2/m 2/m 2/m) : Imma |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for Walentaite Group
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Grey, I. E., Hochleitner, R., Rewitzer, C., Riboldi-Tunnicliffe, A., Kampf, A. R., MacRae, C. M., ... & Martin, C. U. (2020) The walentaite group and the description of a new member, alcantarillaite, from the Alcantarilla mine, Belalcázar, Córdoba, Andalusia, Spain. Mineralogical Magazine 84:412-419
Internet Links for Walentaite Group
mindat.org URL:
https://www.mindat.org/min-54371.html
Please feel free to link to this page.
Please feel free to link to this page.
Mineral Dealers:
Localities for Walentaite Group
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
Australia | |
| [Walentaite] Nickel, E.H. (1987) Tungsten-bearing walentaite from Griffins Find gold deposit, Western Australia. Australian Mineralogist (1987): 2: 9-12. |
Morocco | |
| [Walentaite] Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68 |
Spain | |
| [Walentaite] http://www.foro-minerales.com/forum/viewtopic.php?p=85470#85470 |
USA | |
| [Walentaite] |
| [Walentaite] Marco Ciriotti collection (analysed by SEM-EDS, 2005) |
| [Walentaite] Dunn, P.J., Peacor, D.R., Roberts, W.L., Campbell, T.J., Ramik, R.A. (1984) Walentaite, a new calcium iron arsenate phosphate from the White Elephant mine, Pringle, South Dakota. Neues Jahrbuch für Mineralogie, Monatshefte: 1984: 169-174. |
Oumlil Mine, Oumlil, Tansifte Caïdat, Agdz Cercle, Zagora Province, Drâa-Tafilalet Region, Morocco