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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Glaucophane from
Serifos Island, Milos, South Aegean, Greece


Locality type:Municipality
Classification
Species:Glaucophane
Formula:◻Na2(Mg3Al2)Si8O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Glaucophane data
Locality Data:Click here to view Serifos Island, Milos, South Aegean, Greece
Data Identifiers
Mindat Occurrence Record ID:56501
Long-form Identifier:1:3:56501:1
GUID (UUID V4):0
References
 
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