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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Chalcopyrite from
Isua Greenstone Belt (Isua Supercrustal Belt), Nuuk, Sermersooq, Greenland


Locality type:Belt
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Isua Greenstone Belt (Isua Supercrustal Belt), Nuuk, Sermersooq, Greenland
Data Identifiers
Mindat Occurrence Record ID:950559
Long-form Identifier:1:3:950559:9
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
90.1km (56.0 miles) ⓘQeqertánguaq, Nuuk, Sermersooq, Greenland
References
Richards, J. R., & Appel, P. W. U. (1987). Age of the “least radiogenic” galenas at Isua, West Greenland. Chemical Geology: Isotope Geoscience section, 66(3), 181-191.
 
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