| Locality type: | Mine |
| Classification |
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| Species: | Muscovite |
| Formula: | KAl2(AlSi3O10)(OH)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Muscovite data |
| Locality Data: | Click here to view Red Spar Mine, Unorganized mining district [1], Custer County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 765647 |
| Long-form Identifier: | 1:3:765647:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Muscovite |
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| 0.8km (0.5 miles) | ⓘMichaud Prospect, Unorganized mining district [1], Custer County, South Dakota, USA |
| 3.1km (1.9 miles) | ⓘHelen Beryl Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA |
| 3.2km (2.0 miles) | ⓘNew York Mine (Westinghouse No. 1 Mine), Custer, Custer Mining District, Custer County, South Dakota, USA |
| 4.0km (2.5 miles) | ⓘBig Tom Mine (Kem Lode), Custer Mining District, Custer County, South Dakota, USA |
| 4.1km (2.6 miles) | ⓘEruption Lode (Volcano Lode), Custer Mining District, Custer County, South Dakota, USA |
| 4.3km (2.7 miles) | ⓘCorky Claim, Unorganized mining district [1], Custer County, South Dakota, USA |
| 4.6km (2.9 miles) | ⓘRainbow No. 4 Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA |
| 5.1km (3.1 miles) | ⓘTip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA |
| 5.6km (3.5 miles) | ⓘWarren Draw Mine (Warren Gulch Mine), Custer Mining District, Custer County, South Dakota, USA |
| 5.6km (3.5 miles) | ⓘKeystone Lode Occurrence, Custer Mining District, Custer County, South Dakota, USA |
| References |
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