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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Hisingerite from
Sjöström mine, Hofors, Gävleborg County, Sweden


Locality type:Mine
Classification
Species:Hisingerite
Formula:Fe23+(Si2O5)(OH)4 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hisingerite data
Locality Data:Click here to view Sjöström mine, Hofors, Gävleborg County, Sweden
Data Identifiers
Mindat Occurrence Record ID:89266
Long-form Identifier:1:3:89266:9
GUID (UUID V4):0
References
 
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