| 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 |
| Habit: | prismatic, micaceous |
| Colour: | dark brown, black |
| Confirmation |
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|
| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Andradite | ⓘ4 photos of Biotite associated with Andradite at this locality. |
| Zircon | ⓘ3 photos of Biotite associated with Zircon at this locality. |
| Labuntsovite-Mn | ⓘ1 photo of Biotite associated with Labuntsovite-Mn at this locality. |
| Fluorapatite | ⓘ1 photo of Biotite associated with Fluorapatite at this locality. |
| Calcite | ⓘ1 photo of Biotite associated with Calcite at this locality. |
| Data |
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|
| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view 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 |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 714898 |
| Long-form Identifier: | 1:3:714898:9 |
| GUID (UUID V4): | 9ac2edd8-c2e7-4136-9934-bb58cf91a202 |
| Nearest other occurrences of Biotite |
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|
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| 11.4km (7.1 miles) | ⓘMont Rougemont, Rouville RCM, Montérégie, Québec, Canada |
| 22.7km (14.1 miles) | ⓘMont Saint-Gregoire (Mont Johnson; Monoir), Le Haut-Richelieu RCM, Montérégie, Québec, Canada |
| 24.8km (15.4 miles) | ⓘMont Yamaska, Rouville RCM, Montérégie, Québec, Canada |
| 31.3km (19.4 miles) | ⓘLafarge Montreal East quarry (Carrière Lafarge Montréal-Est; Francon Montréal-Est quarry; Canada Cement quarry), Montréal-Est, Montréal, Québec, Canada |
| 33.5km (20.8 miles) | ⓘRosemont quarry, Montréal, Québec, Canada |
| 36.2km (22.5 miles) | ⓘFrancon quarry, Montréal, Québec, Canada |
| 37.1km (23.0 miles) | ⓘCorporation (Forsyth's) quarry, Mont Royal, Montréal, Québec, Canada |
| 38.6km (24.0 miles) | ⓘCanadian National Railway tunnel, Mont Royal, Montréal, Québec, Canada |
| 46.4km (28.8 miles) | ⓘMont Shefford, Shefford, La Haute-Yamaska RCM, Estrie, Québec, Canada |
| 50.6km (31.4 miles) | ⓘMont Brome, Bromont, Estrie, Québec, Canada |
| References |
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Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada