| 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: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Data |
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| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Rebillon quarries, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1239052 |
| Long-form Identifier: | 1:3:1239052:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 0.5km (0.3 miles) | ⓘB.G.P. Granite quarry, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France |
| 1.4km (0.9 miles) | ⓘMadec Quarry, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France |
| 3.8km (2.4 miles) | ⓘCoz Porz beach, Trégastel, Lannion, Côtes-d'Armor, Brittany, France |
| 33.6km (20.9 miles) | ⓘIle Verte, Carantec, Morlaix, Finistère, Brittany, France |
| 34.7km (21.6 miles) | ⓘPenn ar Waremm beach alluvials, Callot island, Carantec, Morlaix, Finistère, Brittany, France |
| 35.0km (21.7 miles) | ⓘPoul Morvan beach alluvials, Callot island, Carantec, Morlaix, Finistère, Brittany, France |
| 52.9km (32.8 miles) | ⓘLe Gouffre, Huelgoat, Châteaulin, Finistère, Brittany, France |
| 55.2km (34.3 miles) | ⓘKerbizien, Poullaouen, Châteaulin, Finistère, Brittany, France |
| 56.0km (34.8 miles) | ⓘGwernavalou Quarry, Trémargat, Guingamp, Côtes-d'Armor, Brittany, France |
| 69.0km (42.8 miles) | ⓘSaint-Egarec beach alluvials, Kerlouan, Brest, Finistère, Brittany, France |
| References |
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Rebillon quarries, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France