| Locality type: | Open-Cast Mine |
| 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 |
| Habit: | hexagonal-shaped plates, micaceous |
| Colour: | black |
| 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 Jeffrey Mine, Val-des-Sources, Les Sources RCM, Estrie, Québec, Canada |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 21995 |
| Long-form Identifier: | 1:3:21995:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 31.9km (19.8 miles) | ⓘSainte-Hélène de Chester outcrop, Sainte-Hélène-de-Chester, Arthabaska RCM, Centre-du-Québec, Québec, Canada |
| 50.8km (31.6 miles) | ⓘLauréat Lachance Quarry, Stratford, Le Granit RCM, Estrie, Québec, Canada |
| 55.6km (34.5 miles) | ⓘBritish Canadian mine (B.C. 1 mine; B.C. 2 mine; Martin mine; Black Lake mine; American mine; Dauville mine), Black Lake, Thetford Mines, Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada |
| 68.6km (42.6 miles) | ⓘMont Shefford, Shefford, La Haute-Yamaska RCM, Estrie, Québec, Canada |
| 73.9km (45.9 miles) | ⓘMont Mégantic, Val-Racine, Le Granit RCM, Estrie, Québec, Canada |
| 78.1km (48.5 miles) | ⓘMont Brome, Bromont, Estrie, Québec, Canada |
| 78.5km (48.8 miles) | ⓘBroughton talc mine (Luzcan mine; Carrière rang XV), Saint-Pierre-de-Broughton (West Broughton), Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada |
| 79.7km (49.5 miles) | ⓘMont Yamaska, Rouville RCM, Montérégie, Québec, Canada |
| 91.3km (56.7 miles) | ⓘMont Rougemont, Rouville RCM, Montérégie, Québec, Canada |
| 95.4km (59.3 miles) | ⓘPoudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada |
| References |
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