| Locality type: | Hamlet |
| 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 Kerbizien, Poullaouen, Châteaulin, Finistère, Brittany, France |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 270315 |
| Long-form Identifier: | 1:3:270315:2 |
| GUID (UUID V4): | fb455845-e47a-4380-959b-ab50dfcacb55 |
| Nearest other occurrences of Biotite |
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| 7.7km (4.8 miles) | ⓘLe Gouffre, Huelgoat, Châteaulin, Finistère, Brittany, France |
| 27.1km (16.8 miles) | ⓘGwernavalou Quarry, Trémargat, Guingamp, Côtes-d'Armor, Brittany, France |
| 32.8km (20.4 miles) | ⓘKeranvel, Guiscriff, Pontivy, Morbihan, Brittany, France |
| 45.3km (28.2 miles) | ⓘPoul Morvan beach alluvials, Callot island, Carantec, Morlaix, Finistère, Brittany, France |
| 46.2km (28.7 miles) | ⓘPenn ar Waremm beach alluvials, Callot island, Carantec, Morlaix, Finistère, Brittany, France |
| 46.3km (28.8 miles) | ⓘIle Verte, Carantec, Morlaix, Finistère, Brittany, France |
| 55.2km (34.3 miles) | ⓘRebillon quarries, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France |
| 55.7km (34.6 miles) | ⓘB.G.P. Granite quarry, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France |
| 56.6km (35.2 miles) | ⓘMadec Quarry, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France |
| 57.6km (35.8 miles) | ⓘCoz Porz beach, Trégastel, Lannion, Côtes-d'Armor, Brittany, France |
| References |
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