| Locality type: | Quarry |
| 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 Tiger Bill Quarries, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 29020 |
| Long-form Identifier: | 1:3:29020:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 0.9km (0.6 miles) | ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA |
| 5.5km (3.4 miles) | ⓘStearns Quarry, Albany, Oxford County, Maine, USA |
| 5.7km (3.5 miles) | ⓘPatch Mountain Beryl prospect, Greenwood, Oxford County, Maine, USA |
| 6.5km (4.0 miles) | ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA |
| 6.5km (4.1 miles) | ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA |
| 6.6km (4.1 miles) | ⓘHeikkinen Quarry, Greenwood, Oxford County, Maine, USA |
| 6.7km (4.1 miles) | ⓘBumpus Quarry, Albany, Oxford County, Maine, USA |
| 6.8km (4.2 miles) | ⓘDouglass Road Metal Quarry, Albany, Oxford County, Maine, USA |
| 6.8km (4.2 miles) | ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA |
| 6.9km (4.3 miles) | ⓘOhtonen Quarry, Greenwood, Oxford County, Maine, USA |
| References |
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