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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Calcio-biotite from
Campania, Italy


Locality type:Region
Classification
Species:'Calcio-biotite' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcio-biotite data
Locality Data:Click here to view Campania, Italy
Data Identifiers
Mindat Occurrence Record ID:2561
Long-form Identifier:1:3:2561:4
GUID (UUID V4):0
References
 
and/or  
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