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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Omphacite from
Zagami Martian meteorite, Faskari, Katsina, Nigeria


Locality type:Meteorite Fall Location
Origin locality:Mars
Classification
Species:Omphacite
Formula:(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Omphacite data
Locality Data:Click here to view Zagami Martian meteorite, Faskari, Katsina, Nigeria
Data Identifiers
Mindat Occurrence Record ID:155778
Long-form Identifier:1:3:155778:7
GUID (UUID V4):0
References
Langenhorst, F. and Poirier, J.-P. (2000b): ‘Eclogitic’ minerals in a shocked basaltic meteorite. Earth Planet. Sci. Lett. 176, 259-265.
 
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