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Albite from
Helen Beryl Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA


Locality type:Mine
Classification
Species:Albite
Formula:Na(AlSi3O8)
Comments:Occurs in pegmatite.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Muscovite2
Quartz2
Beryl1
Microcline1
Data
Mineral Data:Click here to view Albite data
Locality Data:Click here to view Helen Beryl Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:68283
Long-form Identifier:1:3:68283:1
GUID (UUID V4):0
Nearest other occurrences of Albite
1.1km (0.7 miles) ⓘBig Tom Mine (Kem Lode), Custer Mining District, Custer County, South Dakota, USA
1.4km (0.8 miles) ⓘEruption Lode (Volcano Lode), Custer Mining District, Custer County, South Dakota, USA
1.4km (0.9 miles) ⓘNew York Mine (Westinghouse No. 1 Mine), Custer, Custer Mining District, Custer County, South Dakota, USA
1.8km (1.1 miles) ⓘCorky Claim, Unorganized mining district [1], Custer County, South Dakota, USA
1.9km (1.2 miles) ⓘRainbow No. 4 Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
2.2km (1.4 miles) ⓘTip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
3.1km (1.9 miles) ⓘRed Spar Mine, Unorganized mining district [1], Custer County, South Dakota, USA
3.1km (1.9 miles) ⓘLincoln No. 7 Lode Prospect, Custer Mining District, Custer County, South Dakota, USA
3.2km (2.0 miles) ⓘMichaud Prospect, Unorganized mining district [1], Custer County, South Dakota, USA
3.2km (2.0 miles) ⓘDubuque and Royal Flush Claims (Gayle Lode), Custer Mining District, Custer County, South Dakota, USA
References
Rocks & Minerals: 60: 117.
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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