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
Josephine Mine, Trench and Josephine Mine group (Josephine Mines; Trench group of claims; Lunch Cans prospect), Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA


Locality type:Mine
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Josephine Mine, Trench and Josephine Mine group (Josephine Mines; Trench group of claims; Lunch Cans prospect), Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:258335
Long-form Identifier:1:3:258335:8
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
0.7km (0.4 miles) ⓘWorld's Fair Mine, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
1.1km (0.7 miles) ⓘJanuary & Norton Mine group (January and Norton Mine group), Flux Gulch, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
1.4km (0.9 miles) ⓘHumboldt Mine, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
1.5km (0.9 miles) ⓘChief Mine (Chief group of claims), Flux Gulch, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
2.1km (1.3 miles) ⓘExposed Reef Mines (Saint Louis Mine), Blue Eagle and Exposed Reef group, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
2.1km (1.3 miles) ⓘTrench Mine, Trench and Josephine Mine group (Josephine Mines; Trench group of claims; Lunch Cans prospect), Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
2.3km (1.4 miles) ⓘFlux Mine, Flux Gulch, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
2.6km (1.6 miles) ⓘBlue Eagle Mine (Blue Eagle 1 and 2 claims; Copper Ledge; Hillside Copper Mine), Blue Eagle and Exposed Reef group, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
2.6km (1.6 miles) ⓘRed Mountain Mine (Red Mountain Copper prospect; Gem Mine; Carlton property; Ten Grand Mine; Red Mountain project), Red Mountain, Patagonia Mountains, Santa Cruz County, Arizona, USA
2.7km (1.7 miles) ⓘAlta Mine, Hardshell Gulch, Harshaw, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
References
Hewett, Donnel Foster, Rove, Olaf N. (1930) Occurrence and relations of alabandite. Economic Geology, 25 (1) 36-56 doi:10.2113/gsecongeo.25.1.36
Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 48.
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.pages 104, 353
 
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