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Tourmaline from
Big Spar No. 1 mine, Custer, Custer Mining District, Custer County, South Dakota, USA


Locality type:Mine
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Big Spar No. 1 mine, Custer, Custer Mining District, Custer County, South Dakota, USA
Data Identifiers
Mindat Occurrence Record ID:382196
Long-form Identifier:1:3:382196:1
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
0.3km (0.2 miles) ⓘIndependence No. 1 Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA
0.4km (0.3 miles) ⓘIndependence Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA
0.5km (0.3 miles) ⓘPegmatite 14, Ruby Creek, Custer Mining District, Custer County, South Dakota, USA
1.0km (0.6 miles) ⓘFriday Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA
1.6km (1.0 miles) ⓘDorothy V Prospect (Van), Custer Mining District, Custer County, South Dakota, USA
1.7km (1.0 miles) ⓘRidge Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA
2.2km (1.3 miles) ⓘDorothy No. 1 Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA
2.3km (1.4 miles) ⓘDorothy Lode, Custer Mining District, Custer County, South Dakota, USA
2.9km (1.8 miles) ⓘCrown Mine (McMackin Mine), Custer, Custer Mining District, Custer County, South Dakota, USA
4.0km (2.5 miles) ⓘRuberta Mining and Milling Company Mine, Custer County, South Dakota, USA
References
USGS Prof Paper 297F
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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