| Classification |
|---|
|
| Species: | 'Biotite' (not an IMA approved species) |
| Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Confirmation |
|---|
|
| Validity: | Believed Valid |
| Data |
|---|
|
| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Ile Verte, Carantec, Morlaix, Finistère, Brittany, France |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 1027298 |
| Long-form Identifier: | 1:3:1027298:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
|---|
|
|
| 1.1km (0.7 miles) | ⓘPenn ar Waremm beach alluvials, Callot island, Carantec, Morlaix, Finistère, Brittany, France |
| 1.8km (1.1 miles) | ⓘPoul Morvan beach alluvials, Callot island, Carantec, Morlaix, Finistère, Brittany, France |
| 32.5km (20.2 miles) | ⓘCoz Porz beach, Trégastel, Lannion, Côtes-d'Armor, Brittany, France |
| 33.6km (20.9 miles) | ⓘRebillon quarries, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France |
| 33.8km (21.0 miles) | ⓘB.G.P. Granite quarry, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France |
| 34.5km (21.5 miles) | ⓘMadec Quarry, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France |
| 35.8km (22.3 miles) | ⓘSaint-Egarec beach alluvials, Kerlouan, Brest, Finistère, Brittany, France |
| 39.7km (24.7 miles) | ⓘToullouarn quarry, Guissény, Brest, Finistère, Brittany, France |
| 39.9km (24.8 miles) | ⓘLe Gouffre, Huelgoat, Châteaulin, Finistère, Brittany, France |
| 46.3km (28.8 miles) | ⓘKerbizien, Poullaouen, Châteaulin, Finistère, Brittany, France |
| References |
|---|
|
|
|
