| Locality type: | Mine |
| Classification |
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| Species: | 'Biotite' (not an IMA approved species) |
| Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Josie Lode Mine, Unorganized mining district [1], Custer County, South Dakota, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 382970 |
| Long-form Identifier: | 1:3:382970:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 1.1km (0.7 miles) | ⓘJumbo Lode Occurrence, Unorganized mining district [1], Custer County, South Dakota, USA |
| 1.7km (1.1 miles) | ⓘNew England Prospect, Unorganized mining district [5], Pennington County, South Dakota, USA |
| 5.5km (3.4 miles) | ⓘEdison Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 5.6km (3.5 miles) | ⓘEtta Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 5.7km (3.6 miles) | ⓘMonte Carlo Prospect, Keystone Mining District, Pennington County, South Dakota, USA |
| 6.6km (4.1 miles) | ⓘPeerless Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 7.9km (4.9 miles) | ⓘDan Patch Mine, Keystone, Keystone Mining District, Pennington County, South Dakota, USA |
| 8.3km (5.1 miles) | ⓘEgyptian Group, Keystone Gold Mining District, Pennington County, South Dakota, USA |
| 12.3km (7.6 miles) | ⓘBlack Elk Peak (Harney Peak), Pennington County, South Dakota, USA |
| 12.7km (7.9 miles) | ⓘHofert Arcade (Victory No. 1 Prospect), Custer Mining District, Custer County, South Dakota, USA |
| References |
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