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Tourmaline from
Burgess Mica Prospect, Custer Mining District, Custer Co., South Dakota, USA

Locality type:Prospect
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:A(D3)G6(Si6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
References
References:U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Burgess Mica Prospect, Custer Mining District, Custer Co., South Dakota, USA
Nearest other occurrences of Tourmaline
0.5km (0.3 miles) Lucky Spar Lode Occurrence, Custer Mining District, Custer Co., South Dakota, USA
0.8km (0.5 miles) Heidepriem and Cattles Mine, Custer Mining District, Custer Co., South Dakota, USA
1.3km (0.8 miles) Lucky Star Prospect, Custer Mining District, Custer Co., South Dakota, USA
1.9km (1.2 miles) White Bear Mine (Gamber Mine), Custer, Custer Mining District, Custer Co., South Dakota, USA
2.0km (1.2 miles) Pine Top Lode, Custer Mining District, Custer Co., South Dakota, USA
2.5km (1.5 miles) Silver Dollar Mine, Custer Mining District, Custer Co., South Dakota, USA
2.5km (1.6 miles) Pine Top Fraction Lode Occurrence, Custer Mining District, Custer Co., South Dakota, USA
3.1km (1.9 miles) Dorothy Lode, Custer Mining District, Custer Co., South Dakota, USA
3.2km (2.0 miles) Dorothy No. 1 Lode Occurrence, Custer Mining District, Custer Co., South Dakota, USA
3.4km (2.1 miles) Helen Group (Helen Lode; Helen No. 5; Helen No. 1; Helen No. 2; Helen No. 3; Helen No. 4), Custer Mining District, Custer Co., South Dakota, USA
 
Mineral and/or Locality  
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