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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Epsomite from
Pyrite mine, Aproz, Nendaz, Conthey, Valais, Switzerland


Locality type:Mine
Classification
Species:Epsomite
Formula:MgSO4 · 7H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Epsomite data
Locality Data:Click here to view Pyrite mine, Aproz, Nendaz, Conthey, Valais, Switzerland
Data Identifiers
Mindat Occurrence Record ID:548585
Long-form Identifier:1:3:548585:7
GUID (UUID V4):0
References
Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.153
 
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