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Chalcopyrite from
Tin Mountain Mine, Fourmile, Custer District, Custer Co., South Dakota, USA

Description
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:Rocks & Minerals: 60: 117-118.
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Tin Mountain Mine, Fourmile, Custer District, Custer Co., South Dakota, USA
Nearest other occurrences of Chalcopyrite
21.6km (13.4 miles) Mastiff Group, Unorganized District, Pennington Co., South Dakota, USA
25.9km (16.1 miles) Ida Occurrence (Ida Tin), Hill City District, Pennington Co., South Dakota, USA
28.4km (17.6 miles) Etta Mine, Keystone, Keystone District, Pennington Co., South Dakota, USA
28.9km (18.0 miles) Peerless Mine (Monitor; Monarch; Protector), Keystone, Keystone District, Pennington Co., South Dakota, USA
29.3km (18.2 miles) Bismark-Ida Florence Groups, Keystone Gold District, Pennington Co., South Dakota, USA
29.5km (18.3 miles) Spokane Mine, Iron Mountain, Custer Co., South Dakota, USA
29.9km (18.6 miles) Egyptian Group, Keystone Gold District, Pennington Co., South Dakota, USA
30.2km (18.8 miles) Big Chief Mine (Johnson pegmatite), Glendale, Keystone District, Pennington Co., South Dakota, USA
40.3km (25.0 miles) Bee Mine (Climax; Solnar; Copper Reef Nos. 1 and 2; Black Hills Copper Company), Rochford District, Pennington Co., South Dakota, USA
41.7km (25.9 miles) Mary Belle Mine, Rochford District, Pennington Co., South Dakota, USA
59.0km (36.6 miles) Roubaix, Galena District, Lawrence Co., South Dakota, USA
63.0km (39.2 miles) Silver Queen Mine (New Silver Queen Mine), Deadwood, Galena District, Lawrence Co., South Dakota, USA
65.6km (40.7 miles) Double Rainbow Mine (Richmond Sitting Bull), Deadwood, Galena District, Lawrence Co., South Dakota, USA
67.5km (42.0 miles) Slavonian Mine (Glover Mine), Lead District, Lawrence Co., South Dakota, USA
67.8km (42.1 miles) Homestake Mine, Lead, Lead District, Lawrence Co., South Dakota, USA
143.3km (89.0 miles) Unknown Copper (MRDS - 10254813), Goshen Co., Wyoming, USA
214.3km (133.2 miles) Kentucky Bell Prospect (Hoosier Group), Esterbrook District, Converse Co., Wyoming, USA
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