| 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 |
|---|
|
| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view North Percy Peak locality, Stratford, Coos County, New Hampshire, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 32161 |
| Long-form Identifier: | 1:3:32161:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
|---|
|
|
| 0.8km (0.5 miles) | ⓘSouth Percy Peak locality, Stratford, Coos County, New Hampshire, USA |
| 17.8km (11.0 miles) | ⓘMilan Mine, Milan, Coos County, New Hampshire, USA |
| 26.9km (16.7 miles) | ⓘNorton Quarry, Monadnock Mountain, Lemington, Essex County, Vermont, USA |
| 27.4km (17.0 miles) | ⓘMonadnock Mountain, Lemington, Essex County, Vermont, USA |
| 35.6km (22.1 miles) | ⓘMascot Mine, Gorham, Coos County, New Hampshire, USA |
| 37.8km (23.5 miles) | ⓘBrighton, Essex County, Vermont, USA |
| 39.4km (24.5 miles) | ⓘGrout Quarry, Kirby, Caledonia County, Vermont, USA |
| 39.5km (24.5 miles) | ⓘBurke Quarry, Kirby, Caledonia County, Vermont, USA |
| 50.6km (31.5 miles) | ⓘPeabody Mountain Quarry, Batchelders Grant, Oxford County, Maine, USA |
| 50.7km (31.5 miles) | ⓘPeabody Mountain Quarry (Nason Quarry), Batchelders Grant, Oxford County, Maine, USA |
| References |
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