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Schorl from
Tin Mountain Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA


Locality type:Mine
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Tin Mountain Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:765598
Long-form Identifier:1:3:765598:2
GUID (UUID V4):0
Nearest other occurrences of Schorl
4.1km (2.5 miles) ⓘRoss Mine, Berne, Custer Mining District, Custer County, South Dakota, USA
4.2km (2.6 miles) ⓘHelen Beryl Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
5.4km (3.3 miles) ⓘTip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
5.6km (3.5 miles) ⓘNew York Mine (Westinghouse No. 1 Mine), Custer, Custer Mining District, Custer County, South Dakota, USA
7.4km (4.6 miles) ⓘWhite Spar Mica Mine (Westinghouse No. 2 Mine), Custer, Custer Mining District, Custer County, South Dakota, USA
8.1km (5.1 miles) ⓘCrown Mine (McMackin Mine), Custer, Custer Mining District, Custer County, South Dakota, USA
8.2km (5.1 miles) ⓘBallard Mine, Custer Mining District, Custer County, South Dakota, USA
8.5km (5.3 miles) ⓘBuster lode (Buster Dike Mica Mine), Custer, Custer Mining District, Custer County, South Dakota, USA
8.8km (5.5 miles) ⓘRte. 85A South, Custer, Custer Mining District, Custer County, South Dakota, USA
10.5km (6.5 miles) ⓘKnowles lode claim, Custer, Custer Mining District, Custer County, South Dakota, USA
References
Staatz, M. H.
Norton, J. J.
Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300
Wilmarth, V. R. (1963) Exploration for beryllium at the Helen Beryl, Elkhorn, and Tin Mountain pegmatites, Custer County, South Dakota. USGS Prof. Paper 297C.
 
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