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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Feldspar Group from
Nunarssuit complex, Nunarsuit Island, Kujalleq, Greenland


Locality type:Complex
Classification
Species:'Feldspar Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Feldspar Group data
Locality Data:Click here to view Nunarssuit complex, Nunarsuit Island, Kujalleq, Greenland
Data Identifiers
Mindat Occurrence Record ID:1018044
Long-form Identifier:1:3:1018044:8
GUID (UUID V4):0
References
www.koeln.netsurf.de (1999) http://www.koeln.netsurf.de/~w.steffens/green.htm
 
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