| 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 Ohtonen Quarry, Greenwood, Oxford County, Maine, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 34548 |
| Long-form Identifier: | 1:3:34548:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 2.0km (1.3 miles) | ⓘHeikkinen Quarry, Greenwood, Oxford County, Maine, USA |
| 2.8km (1.7 miles) | ⓘWitt Hill Chrysoberyl locality, Greenwood, Oxford County, Maine, USA |
| 3.1km (1.9 miles) | ⓘA.C. Perham Quarry, West Paris, Oxford County, Maine, USA |
| 3.1km (1.9 miles) | ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA |
| 3.2km (2.0 miles) | ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA |
| 3.6km (2.2 miles) | ⓘNubble Quarry, Greenwood, Oxford County, Maine, USA |
| 3.6km (2.3 miles) | ⓘWaisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA |
| 3.7km (2.3 miles) | ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA |
| 4.4km (2.8 miles) | ⓘPatch Mountain Beryl prospect, Greenwood, Oxford County, Maine, USA |
| 6.2km (3.9 miles) | ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA |
| References |
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