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
World's Fair Mine, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA


Locality type:Mine
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Alabandite1
Galena1
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view World's Fair Mine, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:173459
Long-form Identifier:1:3:173459:1
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
0.7km (0.4 miles) ⓘ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
0.8km (0.5 miles) ⓘChief Mine (Chief group of claims), Flux Gulch, 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
1.2km (0.8 miles) ⓘHumboldt Mine, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
1.8km (1.1 miles) ⓘFlux Mine, Flux Gulch, Alum Gulch, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
1.9km (1.2 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
2.0km (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
2.2km (1.4 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
2.8km (1.8 miles) ⓘAlta Mine, Hardshell Gulch, Harshaw, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
3.1km (1.9 miles) ⓘAmerican Mine (Virginia Hay claims), American Peak, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
References
Schrader (1915): 248-251
Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 60 (Table 4)
(n.d.) ADMMR Mines Database, Arizona Geological Survey.
 
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