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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Smithsonite from
Steppe Mine (Steppe claim; Little Mary Mine), Mildren Mine group, Ko Vaya, Cababi Mining District (Comobabi Mining District), Comobabi Mountains, Pima County, Arizona, USA


Locality type:Mine
Classification
Species:Smithsonite
Formula:ZnCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Smithsonite data
Locality Data:Click here to view Steppe Mine (Steppe claim; Little Mary Mine), Mildren Mine group, Ko Vaya, Cababi Mining District (Comobabi Mining District), Comobabi Mountains, Pima County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:254996
Long-form Identifier:1:3:254996:5
GUID (UUID V4):0
Nearest other occurrences of Smithsonite
2.9km (1.8 miles) ⓘMildren Mine (Mildren claim; Mildred Mine), Mildren Mine group, Ko Vaya, Cababi Mining District (Comobabi Mining District), Comobabi Mountains, Pima County, Arizona, USA
55.4km (34.4 miles) ⓘSilver Hill Mine group, Silver Hill, Silver Hill Mining District, Waterman Mining District, Pima County, Arizona, USA
56.7km (35.3 miles) ⓘEl Tiro Mine, Silver Bell Mine, Mineral Mountain, Silver Bell Mining District, Silver Bell Mountains, Pima County, Arizona, USA
58.9km (36.6 miles) ⓘSilver Bell Mountains, Pima County, Arizona, USA
59.0km (36.7 miles) ⓘYellow Bird Mine, Lincoln Mine group, Stevens Mountain, Papago Mining District (Sierrita Mining District), Sierrita Mountains, Pima County, Arizona, USA
63.0km (39.2 miles) ⓘSilver Lake Mine, Kohatk Wash, Sif Vaya area, Vekol Mining District, Vekol Mountains, Pinal County, Arizona, USA
66.1km (41.1 miles) ⓘReward Mine (Bat tunnel; South Reward; Petrochis claim; Phenomenon), Kohatk, Vekol Mining District, Vekol Mountains, Pinal County, Arizona, USA
74.1km (46.0 miles) ⓘShamrock Mine, Arivaca Mining District (Las Guijas Mining District), Las Guijas & San Luis Mountains, Pima County, Arizona, USA
77.8km (48.3 miles) ⓘSan Xavier Mine (San Xavier Mine shaft), Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
77.9km (48.4 miles) ⓘMineral Hill Mines (Azurite group; Old Azurite Mine; Copper Glance Mine), Mineral Hill, Mission complex, San Xavier, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
References
Anthony, John W.; Williams, Sidney A.; Bideaux, Richard A.; Grant, Raymond W. (1995) Mineralogy of Arizona (3rd ed.). University of Arizona Press.p.374
 
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