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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Cronstedtite from
Sainte-Marie-aux-Mines, Colmar-Ribeauvillé, Haut-Rhin, Grand Est, France


Locality type:Commune
Classification
Species:Cronstedtite
Formula:Fe22+Fe3+((Si,Fe3+)2O5)(OH)4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Cronstedtite data
Locality Data:Click here to view Sainte-Marie-aux-Mines, Colmar-Ribeauvillé, Haut-Rhin, Grand Est, France
Data Identifiers
Mindat Occurrence Record ID:78992
Long-form Identifier:1:3:78992:1
GUID (UUID V4):0
References
Wittern, A.; Journée, J.R. (1997) Mineralien finden in den Vogesen. Verlag Sven von Loga. 160 pp.
 
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