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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Pyrite from
Jackass Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA


Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Jackass Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:327005
Long-form Identifier:1:3:327005:9
GUID (UUID V4):0
Nearest other occurrences of Pyrite
0.4km (0.2 miles) ⓘWonder Mine, Ophir Mountain, Darwin Mining District, Darwin Hills, Inyo County, California, USA
0.9km (0.6 miles) ⓘBruce Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.0km (0.6 miles) ⓘStandard Mine, Ruona group, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.1km (0.7 miles) ⓘLucky Lucy Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.1km (0.7 miles) ⓘCuster Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.2km (0.7 miles) ⓘSt. Charles Mine, Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.2km (0.7 miles) ⓘDurham Mine (Pacific Tungsten Co.), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.7km (1.0 miles) ⓘThompson Mine, Darwin Mine (Anaconda; Bernon Mine; Defiance Mine; Essex Mine; Independence Mine; Intermediate Mine; Rip Van Winkle Mine; Thompson Mine), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
1.8km (1.1 miles) ⓘDarwin Mining District, Darwin Hills, Inyo County, California, USA
2.0km (1.3 miles) ⓘEmperor Mine (Darwin Mine), Darwin, Darwin Mining District, Darwin Hills, Inyo County, California, USA
References
Foord, E. E.; Shawe, D. R. (1989) The Pb-Bi-Ag-Cu-(Hg) Chemistry Of Galena And Some Associated Sulfosalts: A Reviewand Some New Data From Colorado, California And Pennsylvania. The Canadian Mineralogist, 27 (3). 363-382
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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