| Locality type: | Area |
| Classification |
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| Species: | Muscovite |
| Formula: | KAl2(AlSi3O10)(OH)2 |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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| Andalusite | ⓘ9 photos of Muscovite associated with Andalusite at this locality. |
| Quartz | ⓘ6 photos of Muscovite associated with Quartz at this locality. |
| Sillimanite | ⓘ6 photos of Muscovite associated with Sillimanite at this locality. |
| Biotite | ⓘ4 photos of Muscovite associated with Biotite at this locality. |
| Graphite | ⓘ3 photos of Muscovite associated with Graphite at this locality. |
| Data |
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| Mineral Data: | Click here to view Muscovite data |
| Locality Data: | Click here to view U.S. highways 16/385 & State route 87 intersection area, Oreville Mining District, Pennington County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 858758 |
| Long-form Identifier: | 1:3:858758:9 |
| GUID (UUID V4): | 7cc51be8-428d-434f-9d66-99b37813829d |
| Nearest other occurrences of Muscovite |
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| 1.2km (0.7 miles) | ⓘReinbold Claim (Tungsten No. 1-3 Claims), Hill City Mining District, Pennington County, South Dakota, USA |
| 2.3km (1.4 miles) | ⓘTin Queen Mine (White Blowout Mine), Hill City Mining District, Pennington County, South Dakota, USA |
| 2.5km (1.5 miles) | ⓘClara Belle (Forest City; Golden Arrow), Hill City Mining District, Pennington County, South Dakota, USA |
| 2.8km (1.7 miles) | ⓘOlympia Tin Prospect, Hill City Mining District, Pennington County, South Dakota, USA |
| 2.8km (1.7 miles) | ⓘMonkey Lode, Hill City Mining District, Pennington County, South Dakota, USA |
| 3.1km (1.9 miles) | ⓘTungsten Lode, Hill City Mining District, Pennington County, South Dakota, USA |
| 3.1km (2.0 miles) | ⓘSally Cavanaugh Occurrence, Hill City Mining District, Pennington County, South Dakota, USA |
| 3.2km (2.0 miles) | ⓘMichigan Placer Ground, Hill City Mining District, Pennington County, South Dakota, USA |
| 3.3km (2.0 miles) | ⓘEureka Lode Prospect (Hultz), Custer County, South Dakota, USA |
| 3.5km (2.1 miles) | ⓘOreville, Custer County, South Dakota, USA |
| References |
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