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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Bornite from
Twin Buttes Mine, Twin Buttes, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA


Locality type:Mine
Classification
Species:Bornite
Formula:Cu5FeS4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bornite data
Locality Data:Click here to view Twin Buttes Mine, Twin Buttes, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:258204
Long-form Identifier:1:3:258204:7
GUID (UUID V4):0
Nearest other occurrences of Bornite
1.0km (0.6 miles) ⓘCopper Glance Mine (Glance Mine), Stevens Mountain, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
7.1km (4.4 miles) ⓘCWT Mine (C.W.T. Mine), Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
7.9km (4.9 miles) ⓘSierrita Mine, Batamote Hills, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
8.5km (5.3 miles) ⓘEsperanza Mine [new], Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
8.9km (5.6 miles) ⓘProsperity Mine group (Helmet Peak group; Helmet Peak Mine; Prosperity claims), Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
9.1km (5.7 miles) ⓘOlivette and Annette Mines (Olivette Mine; Olive Mine; New Olivette Mine; Corda Brothers group; Corda group), Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
10.1km (6.3 miles) ⓘPima Mine, Mission complex, San Xavier, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
10.3km (6.4 miles) ⓘSouth San Xavier Mine group (Gray Copper Mine; Franklin group), Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
10.8km (6.7 miles) ⓘDaisy Mine (Daisy shaft), 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
11.1km (6.9 miles) ⓘMission pit, 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.142
 
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