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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Sphalerite from
Primos group of claims (Primos Mine), Dragoon, Cochise Mining District, Cochise County, Arizona, USA


Locality type:Claim
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Primos group of claims (Primos Mine), Dragoon, Cochise Mining District, Cochise County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:247304
Long-form Identifier:1:3:247304:8
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
0.6km (0.4 miles) ⓘUnnamed W prospects [4], Dragoon, Cochise Mining District, Cochise County, Arizona, USA
3.9km (2.4 miles) ⓘSt. George Mine (Leopold Mine; St George property), Cochise Mining District, Cochise County, Arizona, USA
4.0km (2.5 miles) ⓘKeystone Mine (Hagerman Mine; Hagerman shaft; Bannon group), Dragoon, Cochise Mining District, Cochise County, Arizona, USA
4.2km (2.6 miles) ⓘOK Mine, Johnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA
4.2km (2.6 miles) ⓘBurro Pit, Johnson Mine (Johnson Camp Mine), Johnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA
4.3km (2.7 miles) ⓘRepublic Mine, Johnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA
4.4km (2.7 miles) ⓘJohnson Mine (Johnson Camp Mine), Johnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA
4.5km (2.8 miles) ⓘStandard prospect, Cochise Mining District, Cochise County, Arizona, USA
4.5km (2.8 miles) ⓘCopper Chief Mine, Johnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA
4.5km (2.8 miles) ⓘJohnson Camp, Gunnison Copper Project, Cochise Mining District, Cochise County, Arizona, USA
References
Palache, Charles (1941) Crystallographic notes: cahnite, stolzite, zincite, ultrabasite. American Mineralogist, 26 (7) 429-436
Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 81..
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.p.383
 
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