| 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 Nephton Quarry (Craig Pit; American Nepheline Co. Mine), Havelock-Belmont-Methuen Township, Peterborough County, Ontario, Canada |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 547686 |
| Long-form Identifier: | 1:3:547686:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 7.1km (4.4 miles) | âBlue Mountain Quarry (Unimin Quarry), Havelock-Belmont-Methuen Township, Peterborough County, Ontario, Canada |
| 22.6km (14.0 miles) | âDuck Lake intrusive, Chandos Township, Peterborough County, Ontario, Canada |
| 27.4km (17.0 miles) | âConsolidated Uranium CorporationïžLimited, Chandos Township, Peterborough County, Ontario, Canada |
| 31.2km (19.4 miles) | âCavendish Uranium Mine, Cavendish Township, Peterborough County, Ontario, Canada |
| 31.8km (19.8 miles) | âMarmoraton Mine, Marmora Township, Hastings County, Ontario, Canada |
| 32.1km (19.9 miles) | âBob Neil Mine, Marmora Township, Hastings County, Ontario, Canada |
| 34.3km (21.3 miles) | âCoe Hill Gold occurrences, Wollaston Township, Hastings County, Ontario, Canada |
| 36.8km (22.9 miles) | âDyno Mine, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada |
| 38.6km (24.0 miles) | âAumacho River occurrence, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada |
| 38.9km (24.2 miles) | âBrough Lake molybdenite occurrence, Cardiff Township, Highlands East Township, Haliburton County, Ontario, Canada |
| References |
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