| 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 Keyes Mica Quarries, Orange, Grafton County, New Hampshire, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 32265 |
| Long-form Identifier: | 1:3:32265:6 |
| GUID (UUID V4): | 0 |
| Localities for Biotite in this Region |
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| No. 1 pit, Keyes Mica Quarries, Orange, Grafton County, New Hampshire, USA |
| No. 6 pit, Keyes Mica Quarries, Orange, Grafton County, New Hampshire, USA |
| Nearest other occurrences of Biotite |
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| 0.0km (0.0 miles) | ⓘNo. 1 pit, Keyes Mica Quarries, Orange, Grafton County, New Hampshire, USA |
| 3.8km (2.4 miles) | ⓘStandard Mine, Orange, Grafton County, New Hampshire, USA |
| 6.9km (4.3 miles) | ⓘRice Quarry, Groton, Grafton County, New Hampshire, USA |
| 7.7km (4.8 miles) | ⓘPalermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA |
| 7.8km (4.8 miles) | ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA |
| 8.7km (5.4 miles) | ⓘTruman Patten Quarry, Alexandria, Grafton County, New Hampshire, USA |
| 9.1km (5.6 miles) | ⓘMorgan Mica prospect, Alexandria, Grafton County, New Hampshire, USA |
| 9.1km (5.7 miles) | ⓘCharles Davis Mine, Groton, Grafton County, New Hampshire, USA |
| 9.4km (5.8 miles) | ⓘMarston Quarry, Alexandria, Grafton County, New Hampshire, USA |
| 10.2km (6.3 miles) | ⓘMonarch Quarry, Alexandria, Grafton County, New Hampshire, USA |
| References |
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