| Locality type: | 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 |
| 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 Jeffery Mine (Cecebe Lake Mine; Tough property), Ryerson Township, Parry Sound District, Ontario, Canada |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 759264 |
| Long-form Identifier: | 1:3:759264:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 2.9km (1.8 miles) | ⓘBell Mine (Cecebe Mine), Chapman Township, Parry Sound District, Ontario, Canada |
| 5.2km (3.2 miles) | ⓘWheeling Mine, Chapman Township, Parry Sound District, Ontario, Canada |
| 5.4km (3.3 miles) | ⓘHungry Lake Mine (Carmen Lake), Chapman Township, Parry Sound District, Ontario, Canada |
| 9.1km (5.7 miles) | ⓘNorth interchange roadcut, Burk's Falls highway roadcuts, Armour Township, Parry Sound District, Ontario, Canada |
| 10.0km (6.2 miles) | ⓘPevensy Road interchange roadcut, Armour Township, Parry Sound District, Ontario, Canada |
| 10.7km (6.6 miles) | ⓘKatrine Road roadcut, Armour Township, Parry Sound District, Ontario, Canada |
| 12.8km (8.0 miles) | ⓘBlue Star mine, Chapman Township, Parry Sound District, Ontario, Canada |
| 14.5km (9.0 miles) | ⓘKatrine North Service Road roadcut, Armour Township, Parry Sound District, Ontario, Canada |
| 15.9km (9.9 miles) | ⓘKatrine South Service Road roadcut, Armour Township, Parry Sound District, Ontario, Canada |
| 18.8km (11.7 miles) | ⓘBear Lake, Monteith Township, Parry Sound District, Ontario, Canada |
| References |
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Jeffery Mine, Ryerson Township, Parry Sound District, Ontario, Canada