| Locality type: | Prospect |
| 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 Betsy Cook prospect, Ticonderoga Township, Essex County, New York, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 117446 |
| Long-form Identifier: | 1:3:117446:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 2.7km (1.7 miles) | ⓘLead Hill Mines (Chilson Hill Mine), Ticonderoga Township, Essex County, New York, USA |
| 5.3km (3.3 miles) | ⓘCrown Point Center, Crown Point Township, Essex County, New York, USA |
| 6.4km (4.0 miles) | ⓘCrown Point Spar Company Quarry, Breeds Hill, Crown Point Center, Crown Point Township, Essex County, New York, USA |
| 6.5km (4.0 miles) | ⓘBarrett Quarry (Barrett Manufacturing Company Mine), Ticonderoga Township, Essex County, New York, USA |
| 7.6km (4.7 miles) | ⓘBly property prospect, Ticonderoga Township, Essex County, New York, USA |
| 9.7km (6.0 miles) | ⓘRoe spar bed (Roe Spar pegmatite; Roe mine; Spar Bed Hill), Crown Point Center, Crown Point Township, Essex County, New York, USA |
| 17.5km (10.9 miles) | ⓘFaxon property prospect, Hague Township, Warren County, New York, USA |
| 17.5km (10.9 miles) | ⓘDixon's American Graphite Company Mine (Dixon Plumbago Mine), Graphite, Hague Township, Warren County, New York, USA |
| 18.6km (11.6 miles) | ⓘMineville Mines (Adirondack Ore Mines), Moriah Township, Mineville Mining District, Essex County, New York, USA |
| 21.5km (13.4 miles) | ⓘMineville, Moriah Township, Mineville Mining District, Essex County, New York, USA |
| References |
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