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Biotite from
La Loge Island, Saint-Jacut-de-la-Mer, Dinan, Côtes-d'Armor, Brittany, France


Locality type:Island
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 La Loge Island, Saint-Jacut-de-la-Mer, Dinan, Côtes-d'Armor, Brittany, France
Data Identifiers
Mindat Occurrence Record ID:201225
Long-form Identifier:1:3:201225:4
GUID (UUID V4):0
Nearest other occurrences of Biotite
67.6km (42.0 miles) ⓘLa Gigoulande Quarry, St Peter, Jersey
70.9km (44.1 miles) ⓘLe Côtil Point, St John, Jersey
86.3km (53.6 miles) ⓘGwernavalou Quarry, Trémargat, Guingamp, Côtes-d'Armor, Brittany, France
96.6km (60.0 miles) ⓘMadec Quarry, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France
96.8km (60.1 miles) ⓘRebillon quarries, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France
96.9km (60.2 miles) ⓘB.G.P. Granite quarry, La Clarté, Perros-Guirec, Lannion, Côtes-d'Armor, Brittany, France
99.9km (62.1 miles) ⓘCoz Porz beach, Trégastel, Lannion, Côtes-d'Armor, Brittany, France
References
Pierrot, Roland; Chauris, Louis; Laforêt, Claude (1975) Inventaire minéralogique de la France - Côtes-du-Nord (22) - Inventaire minéralogique de la France No. 5. Editions du BRGM.pp.150-153
 
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