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Chalcocite from
79 Mine (79th Mine; Seventy-Nine Mine; Seventy-Nine property), Chilito, Hayden area, Banner Mining District, Dripping Spring Mts, Gila Co., Arizona, USA

Classification
Species:Chalcocite
Formula:Cu2S
Comments:Small grains associated with fractures within sphalerite, and as small supergene veinlets.
Confirmation
Validity:Believed Valid
References
References:Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 163; Wilson, E.D. (1951), Arizona zinc and lead deposits, part II, AZ Bur. of Mines Bull. 158: 80; Keith, S.B. (1972), Mineralogy and paragenesis of the 79 mine lead-zinc-copper deposit, Min.Rec.: 3: 247-264; Kiersch, G.A. (1949), Structural control and mineralization at the Seventy-nine mine, Gila Co., AZ, Econ.Geol.: 44: 24-39.
Associated Minerals:
Associates:Sphalerite
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view 79 Mine (79th Mine; Seventy-Nine Mine; Seventy-Nine property), Chilito, Hayden area, Banner Mining District, Dripping Spring Mts, Gila Co., Arizona, USA
Nearest other occurrences of Chalcocite
1.6km (1.0 miles) Chilito Mine (Chillito Mine; Schneider group; Sioux group; Southwest Inspiration property; Copper States Mining Co. property; Velasco pit), Schneider Hill, Chilito, Hayden area, Banner Mining District, Dripping Spring Mts, Gila Co., Arizona, USA
1.9km (1.2 miles) London-Arizona Mine (London-Arizona Consolidated Mine), Toronado Peak, Chilito, Hayden area, Banner Mining District, Dripping Spring Mts, Gila Co., Arizona, USA
6.3km (3.9 miles) Christmas Mine (Red Bird shafts; Inspiration Mine; Hackberry shafts), Christmas, Christmas area, Banner Mining District, Dripping Spring Mts, Gila Co., Arizona, USA
11.0km (6.8 miles) Rattler Mine (Troy Mine; Troy-Arizona Mine; Troy-Manhattan Mine; Troy Copper Co. property), Tiger Mountain area, Dripping Springs Mining District, Dripping Spring Mts, Pinal Co., Arizona, USA
12.2km (7.6 miles) Buckeye Mine (Buckeye Mine group; Climax Mine; Troy property; Troy-Arizona Mine), Tiger Mountain, Dripping Springs Mining District, Dripping Spring Mts, Pinal Co., Arizona, USA
12.4km (7.7 miles) Saddle Mountain Mine group (Lola claims; Gila Copper Sulphide Co. property; Dye vein), Lee Mountain area, Saddle Mountain Mining District, Dripping Spring Mts, Pinal Co., Arizona, USA
16.1km (10.0 miles) Sample Mine (Old Sample Mine), Cedar Mountain area, Horse Hills, Antelope Mining District, Tortilla Mts, Pinal Co., Arizona, USA
18.1km (11.2 miles) Unnamed copper prospect (54), Ripsey Hill area, Ripsey Mining District, Tortilla Mts, Pinal Co., Arizona, USA
19.0km (11.8 miles) Indian Springs Mine, Scott Mountain, Mineral Creek Mining District (Ray Mining District), Dripping Spring Mts, Pinal Co., Arizona, USA
19.6km (12.2 miles) New Dawn claims, Ripsey Hill area, Ripsey Mining District, Tortilla Mts, Pinal Co., Arizona, USA
 
Mineral and/or Locality  
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