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Purpurite from
Custer Mountain lode (Snookum mine), Custer, Custer Mining District, Custer County, South Dakota, USA


Locality type:Lode
Classification
Species:Purpurite
Formula:Mn3+(PO4)
Comments:Parent lithiophilite of this locality has Mn/Mn + Fe = 0.71-0.74 (Moore, 2000).
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Purpurite data
Locality Data:Click here to view Custer Mountain lode (Snookum mine), Custer, Custer Mining District, Custer County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:708182
Long-form Identifier:1:3:708182:8
GUID (UUID V4):0
Nearest other occurrences of Purpurite
3.1km (1.9 miles) ⓘEarl Lode, Custer Mining District, Custer County, South Dakota, USA
6.9km (4.3 miles) ⓘRocky Ridge Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
9.1km (5.6 miles) ⓘRoss Mine, Berne, Custer Mining District, Custer County, South Dakota, USA
9.4km (5.8 miles) ⓘTip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
11.5km (7.1 miles) ⓘHelen Beryl Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
12.0km (7.4 miles) ⓘLouise & Hunter Claim (Hunter and Louise Spodumene Dike), Oreville Mining District, Pennington County, South Dakota, USA
66.1km (41.0 miles) ⓘRoss Hannibal Mine (North Star Mine; Hannibal Mine; Mikado Mine), Lead Mining District, Lawrence County, South Dakota, USA
References
Roberts, Willard Lincoln, Rapp, George Jr. (1965) Mineralogy of the Black Hills. Bulletin 18. South Dakota School of Mines and Technologyp.268
King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.pp.333-336
 
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