| 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 |
| Comments: | Large crystals. |
| 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 Keene, Keene Township, Essex County, New York, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 117470 |
| Long-form Identifier: | 1:3:117470:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 23.1km (14.3 miles) | ⓘSmith Graphite property (George W. Smith property), Clintonville, Chesterfield Township, Clinton County, New York, USA |
| 27.4km (17.0 miles) | ⓘMineville, Moriah Township, Mineville Mining District, Essex County, New York, USA |
| 30.3km (18.8 miles) | ⓘSanford Hill Body (Sanford Mine), Town of Newcomb (Tahawus), Essex County, New York, USA |
| 30.8km (19.2 miles) | ⓘMineville Mines (Adirondack Ore Mines), Moriah Township, Mineville Mining District, Essex County, New York, USA |
| 35.6km (22.1 miles) | ⓘRoe spar bed (Roe Spar pegmatite; Roe mine; Spar Bed Hill), Crown Point Center, Crown Point Township, Essex County, New York, USA |
| 42.5km (26.4 miles) | ⓘCrown Point Center, Crown Point Township, Essex County, New York, USA |
| 45.0km (28.0 miles) | ⓘBetsy Cook prospect, Ticonderoga Township, Essex County, New York, USA |
| 45.4km (28.2 miles) | ⓘCrown Point Spar Company Quarry, Breeds Hill, Crown Point Center, Crown Point Township, Essex County, New York, USA |
| 45.5km (28.3 miles) | ⓘBly property prospect, Ticonderoga Township, Essex County, New York, USA |
| 46.4km (28.8 miles) | ⓘLead Hill Mines (Chilson Hill Mine), Ticonderoga Township, Essex County, New York, USA |
| References |
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