| 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 Penn ar Waremm beach alluvials, Callot island, Carantec, Morlaix, Finistère, Brittany, France |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 443316 |
| Long-form Identifier: | 1:3:443316:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 1.0km (0.6 miles) | ⓘPoul Morvan beach alluvials, Callot island, Carantec, Morlaix, Finistère, Brittany, France |
| 1.1km (0.7 miles) | ⓘIle Verte, Carantec, Morlaix, Finistère, Brittany, France |
| 33.6km (20.9 miles) | ⓘCoz Porz beach, Trégastel, Lannion, Côtes-d'Armor, Brittany, France |
| 34.7km (21.6 miles) | ⓘRebillon quarries, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France |
| 34.8km (21.6 miles) | ⓘSaint-Egarec beach alluvials, Kerlouan, Brest, Finistère, Brittany, France |
| 34.9km (21.7 miles) | ⓘB.G.P. Granite quarry, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France |
| 35.6km (22.1 miles) | ⓘMadec Quarry, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France |
| 38.7km (24.0 miles) | ⓘToullouarn quarry, Guissény, Brest, Finistère, Brittany, France |
| 39.7km (24.7 miles) | ⓘLe Gouffre, Huelgoat, Châteaulin, Finistère, Brittany, France |
| 46.2km (28.7 miles) | ⓘKerbizien, Poullaouen, Châteaulin, Finistère, Brittany, France |
| References |
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