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
St. Charles Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view St. Charles Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:656456
Long-form Identifier:1:3:656456:8
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.1km (0.1 miles) ⓘLucky Lucy Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
0.3km (0.2 miles) ⓘAlameda Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
0.6km (0.4 miles) ⓘKingman prospect (Kingman Mine), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
0.7km (0.4 miles) ⓘRichardson prospect (Richardson group; Reno), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
0.9km (0.6 miles) ⓘGiroux Mine (Jeroo Mine; Rio Tinto Mine; Rio Tinto Consolidated Mine), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
0.9km (0.6 miles) ⓘEmperor Mine (Darwin Mine), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.0km (0.6 miles) ⓘDarwin Mining District, Darwin Hills, Inyo County, California, USA
1.2km (0.7 miles) ⓘJackass Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.2km (0.7 miles) ⓘBruce Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.2km (0.8 miles) ⓘWonder Mine, Ophir Mountain, Darwin Mining District, Darwin Hills, Inyo County, California, USA
References
Dunning, Gail E.; Moëlo, Yves; Roberts, Andrew C.; Cooper, Joseph F. Jr. (2000) Ag-Cu-Pb-Bi Sulfosalts New to Darwin, Inyo County, California, Bay Area Mineralogists.
 
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