| Locality type: | Occurrence |
| 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 Sky Lode Occurrence, Unorganized mining district [1], Custer County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 383288 |
| Long-form Identifier: | 1:3:383288:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Tourmaline |
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| 0.4km (0.3 miles) | ⓘHigh Climb Mine, Custer, Custer Mining District, Custer County, South Dakota, USA |
| 1.0km (0.6 miles) | ⓘLouise & Hunter Claim (Hunter and Louise Spodumene Dike), Oreville Mining District, Pennington County, South Dakota, USA |
| 2.7km (1.6 miles) | ⓘClara Belle (Forest City; Golden Arrow), Hill City Mining District, Pennington County, South Dakota, USA |
| 3.0km (1.9 miles) | ⓘEureka Lode Prospect (Hultz), Custer County, South Dakota, USA |
| 3.4km (2.1 miles) | ⓘMilton Mine, Custer Mining District, Custer County, South Dakota, USA |
| 3.8km (2.3 miles) | ⓘWilhelm Mine, Custer Mining District, Custer County, South Dakota, USA |
| 4.4km (2.7 miles) | ⓘPhelps Lode (Roosevelt Lode), Custer Mining District, Custer County, South Dakota, USA |
| 4.6km (2.9 miles) | ⓘSunrise Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 4.6km (2.9 miles) | ⓘSunset Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| 5.2km (3.2 miles) | ⓘReinbold Claim (Tungsten No. 1-3 Claims), Hill City Mining District, Pennington County, South Dakota, USA |
| References |
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