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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Dravite from
San Jorge Cu deposit, Uspallata District, Las Heras Department, Mendoza Province, Argentina


Locality type:Deposit
Classification
Species:Dravite
Formula:NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dravite data
Locality Data:Click here to view San Jorge Cu deposit, Uspallata District, Las Heras Department, Mendoza Province, Argentina
Data Identifiers
Mindat Occurrence Record ID:1353051
Long-form Identifier:1:3:1353051:0
GUID (UUID V4):0
References
Dill, Harald G.; Garrido, Mirta M.; Melcher, Frank; Gomez, Maria C.; Luna, Liliana I. (2012) Depth-related variation of tourmaline in the breccia pipe of the San Jorge porphyry copper deposit, Mendoza, Argentina. Ore Geology Reviews, 48. doi:10.1016/j.oregeorev.2012.04.006
 
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