| Classification |
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| Species: | 'Tourmaline' (not an IMA approved species) |
| Formula: | AD3G6(T6O18)(BO3)3X3Z |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Tourmaline data |
| Locality Data: | Click here to view Pegmatite 14, Ruby Creek, Custer Mining District, Custer County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 386079 |
| Long-form Identifier: | 1:3:386079:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Tourmaline |
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| 0.5km (0.3 miles) | ⓘBig Spar No. 1 mine, Custer, Custer Mining District, Custer County, South Dakota, USA |
| 0.5km (0.3 miles) | ⓘIndependence No. 1 Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 0.5km (0.3 miles) | ⓘFriday Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 0.7km (0.4 miles) | ⓘIndependence Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 1.9km (1.2 miles) | ⓘDorothy V Prospect (Van), Custer Mining District, Custer County, South Dakota, USA |
| 2.0km (1.3 miles) | ⓘRidge Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 2.4km (1.5 miles) | ⓘCrown Mine (McMackin Mine), Custer, Custer Mining District, Custer County, South Dakota, USA |
| 2.5km (1.5 miles) | ⓘDorothy No. 1 Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 2.6km (1.6 miles) | ⓘDorothy Lode, Custer Mining District, Custer County, South Dakota, USA |
| 4.1km (2.5 miles) | ⓘForty-Five Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| References |
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