| Locality type: | Prospect |
| 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 T. M. Boyd Prospect, Roseland, Nelson County, Virginia, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 344486 |
| Long-form Identifier: | 1:3:344486:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 3.2km (2.0 miles) | ⓘBlue Rock Farm Prospect (E. M. Hughes Deposit), Roseland, Nelson County, Virginia, USA |
| 5.7km (3.5 miles) | ⓘGiles-Hite Prospect (A. T. Stratton Prospect; Hight Prospect; Hite Prospect; H. M. Giles Prospect; Shelton Prospect; H. H. Harvey Prospect), Roseland, Nelson County, Virginia, USA |
| 6.3km (3.9 miles) | ⓘAmerican Rutile Quarry, Roseland, Nelson County, Virginia, USA |
| 13.0km (8.1 miles) | ⓘU. S. Titanium Company Mine (Warwick Prospect; American Cyanamide Piney River Mine), Roseland, Amherst County, Virginia, USA |
| 14.6km (9.1 miles) | ⓘAmerican Cyanimid Wood Pit (S. V. Wood Tract; B. F. Camden Tract; Thomas Wood Deposit), Roseland Anorthosite, Amherst County, Virginia, USA |
| 19.3km (12.0 miles) | ⓘNo. 1 Workings Irish Creek (Irish Creek Tin Deposits), Cash Mine (Panther Run Mine; Irish Creek Tin Mines), Irish Creek, Rockbridge County, Virginia, USA |
| 31.0km (19.3 miles) | ⓘNorth Garden Mine, North Garden, Albemarle County, Virginia, USA |
| 36.3km (22.5 miles) | ⓘAppomattox Quarry (Appomattox Lime Company), Appomattox County, Virginia, USA |
| 51.2km (31.8 miles) | ⓘBuckingham Mines (Wiseman Mines; incl. Eldridge's Mine; Hesse's Mine), Gold-Pyrite Belt, Buckingham County, Virginia, USA |
| 54.2km (33.7 miles) | ⓘNaylor-Bruce Prospect, Albemarle County, Virginia, USA |
| References |
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