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Cogwheels of bournonite are up against colourful vesuvianite.
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Beryl from
Raver and Michaud Mine, Custer Mining District, Custer County, South Dakota, USA


Locality type:Mine
Classification
Species:Beryl
Formula:Be3Al2(Si6O18)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Beryl data
Locality Data:Click here to view Raver and Michaud Mine, Custer Mining District, Custer County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:384407
Long-form Identifier:1:3:384407:6
GUID (UUID V4):0
Nearest other occurrences of Beryl
0.4km (0.3 miles) ⓘDorothy V Prospect (Van), Custer Mining District, Custer County, South Dakota, USA
1.1km (0.7 miles) ⓘDorothy Lode, Custer Mining District, Custer County, South Dakota, USA
1.3km (0.8 miles) ⓘBig Spar No. 1 mine, Custer, Custer Mining District, Custer County, South Dakota, USA
1.9km (1.2 miles) ⓘWhite Spar Mica Mine (Westinghouse No. 2 Mine), Custer, Custer Mining District, Custer County, South Dakota, USA
2.1km (1.3 miles) ⓘFriday Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA
2.7km (1.7 miles) ⓘRoss Mine, Berne, Custer Mining District, Custer County, South Dakota, USA
2.9km (1.8 miles) ⓘLucky Star Prospect, Custer Mining District, Custer County, South Dakota, USA
3.7km (2.3 miles) ⓘBuster lode (Buster Dike Mica Mine), Custer, Custer Mining District, Custer County, South Dakota, USA
3.8km (2.4 miles) ⓘRocky Ridge Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA
3.9km (2.4 miles) ⓘCrown Mine (McMackin Mine), Custer, Custer Mining District, Custer 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 Technology
 
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