| Locality type: | Alluvials |
| 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 Ayssard stream alluvial deposits, La Tour-d'Auvergne, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 439496 |
| Long-form Identifier: | 1:3:439496:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 4.7km (2.9 miles) | ⓘGagne stream alluvial deposits, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France |
| 7.3km (4.5 miles) | ⓘRoc de Courlande, Chastreix, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France |
| 10.4km (6.4 miles) | ⓘMont-Dore Volcanic Field (Mont-Dore volcanic province), Puy-de-Dôme, Auvergne-Rhône-Alpes, France |
| 10.8km (6.7 miles) | ⓘBurande stream alluvial deposits, Larodde, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France |
| 11.4km (7.1 miles) | ⓘChareire stream alluvial deposits, Chareire, Picherande, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France |
| 11.8km (7.3 miles) | ⓘRicolas stream alluvial deposits, Laqueuille, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France |
| 12.6km (7.8 miles) | ⓘNeuffonds stream alluvial deposits, Besse-et-Saint-Anastaise, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France |
| 12.9km (8.0 miles) | ⓘVal Blanc stream alluvial deposits, Mont-Dore, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France |
| 15.1km (9.4 miles) | ⓘCouze de Chaudefour stream alluvial deposits, Voissière, Chambon-sur-Lac, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France |
| 16.6km (10.3 miles) | ⓘBuges stream alluvial deposits, Perpezat, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France |
| References |
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