Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Kulkeite from
Listvenite outcrop, Lanau, Torsiac, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France


Locality type:Outcrop
Classification
Species:Kulkeite
Formula:Mg8Al(AlSi7O20)(OH)10
Comments:Trioctahedral chlorite/talc mixed layer phase.
In serpentinite rims around peridotite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Kulkeite data
Locality Data:Click here to view Listvenite outcrop, Lanau, Torsiac, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:317148
Long-form Identifier:1:3:317148:6
GUID (UUID V4):0
References
Leblanc, Marc; Didier, Jean (1987) Enclaves ultrabasiques carbonatisées avec traces d'or, dans les anatexites du Haut-Allier (France). Bulletin de Minéralogie, 110 (4). p.359-371. doi:10.3406/bulmi.1987.8033
 
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