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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Manganese-bearing Calcite from
Martis Mine (Schmiede Mine), Ratteingraben, Guttaring, Sankt Veit an der Glan District, Carinthia, Austria


Locality type:Mine
Classification
Species:Calcite var: Manganese-bearing Calcite
Formula:(Ca,Mn)CO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Manganese-bearing Calcite data
Locality Data:Click here to view Martis Mine (Schmiede Mine), Ratteingraben, Guttaring, Sankt Veit an der Glan District, Carinthia, Austria
Data Identifiers
Mindat Occurrence Record ID:200329
Long-form Identifier:1:3:200329:0
GUID (UUID V4):0
References
Niedermayr, G.; Praetzel, I. (1995) Mineralien Kärntens. Naturwissenschaftlicher Verein für Kärnten. 232 pp.
 
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