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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Fluorcalciopyrochlore from
Beauvoir quarry, Échassières, Vichy, Allier, Auvergne-Rhône-Alpes, France


Locality type:Quarry
Classification
Species:Fluorcalciopyrochlore
Formula:(Ca,Na)2(Nb,Ti)2O6F
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Fluorcalciopyrochlore data
Locality Data:Click here to view Beauvoir quarry, Échassières, Vichy, Allier, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:706137
Long-form Identifier:1:3:706137:0
GUID (UUID V4):0
References
Wang, Rucheng, Fontan, F., Monchoux, P. (1994) Study on Pyrochlore-Group Minerals from the Beauvoir Granite, France. Acta Petrologica et Mineralogica: 13(2): 140-148 (in Chinese with English abstract).
 
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