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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Oligoclase from
Pegmatite vein Oldřich, Dolní Bory, Bory, Žďár nad Sázavou District, Vysočina Region, Czech Republic


Locality type:Vein
Classification
Species:Albite var: Oligoclase
Formula:(Na,Ca)[Al(Si,Al)Si2O8]
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Oligoclase data
Locality Data:Click here to view Pegmatite vein Oldřich, Dolní Bory, Bory, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:919982
Long-form Identifier:1:3:919982:8
GUID (UUID V4):0
References
Staněk, J. (1997) Asociace minerálů významnějších pegmatitových žil v Hatích u Dolních Borů na západní Moravě. Acta Musei Moraviae, Scientiae naturales, 82, 3-19.
 
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