Vote for your favorite mineral in #MinCup26! - Cuprite vs. Halite
While externally similar shapes, these two minerals are very different inside.
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Chalcocite from
Twin Buttes Mine, Twin Buttes, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA


Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Comments:Occurs in secondarily enriched ores.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcocite 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:258222
Long-form Identifier:1:3:258222:1
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
1.0km (0.6 miles) ⓘCopper Glance Mine (Glance Mine), Stevens Mountain, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
1.4km (0.9 miles) ⓘCopper Queen Mine (Queen 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
11.1km (6.9 miles) ⓘMission pit, Mission complex, San Xavier, Pima Mining District, Sierrita Mountains, Pima County, Arizona, USA
11.2km (6.9 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
11.6km (7.2 miles) ⓘ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.163
 
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