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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Selenite from
Hardshell Mine, Hardshell Gulch, Harshaw, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA


Locality type:Mine
Classification
Species:Gypsum var: Selenite
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Mimetite1
Data
Mineral Data:Click here to view Selenite data
Locality Data:Click here to view Hardshell Mine, Hardshell Gulch, Harshaw, Harshaw Mining District, Patagonia Mountains, Santa Cruz County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:46162
Long-form Identifier:1:3:46162:7
GUID (UUID V4):0
Nearest other occurrences of Selenite
37.1km (23.1 miles) ⓘHamburg Mine (Wisconsin Mine; Hartford Mine), Ramsey Canyon, Cochise County, Arizona, USA
41.0km (25.5 miles) ⓘSouthern Whetstone Mountains Gypsum occurrence, Cochise County, Arizona, USA
62.1km (38.6 miles) ⓘRemco Materials Gypsum Mine, Cross Hill, Marsh Station vicinity, Pima County, Arizona, USA
62.7km (39.0 miles) ⓘSaint David area, Cochise County, Arizona, USA
62.8km (39.0 miles) ⓘGypsum claims, Land, Cochise County, Arizona, USA
67.4km (41.9 miles) ⓘBenson Deposit, Benson, Cochise County, Arizona, USA
67.9km (42.2 miles) ⓘMission Mine (Mission underground mine), Mission complex, San Xavier, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
67.9km (42.2 miles) ⓘMission complex, San Xavier, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
67.9km (42.2 miles) ⓘMission pit, Mission complex, San Xavier, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
75.9km (47.2 miles) ⓘCopper Queen Mine, Queen Hill, Bisbee, Cochise County, Arizona, USA
References
Betts, John (n.d.) John Betts website listing.
 
and/or  
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