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Biotite from
Cromenac'h beach alluvials (Cromenac'h West), Ambon, Vannes, Morbihan, Brittany, France


Locality type:Alluvials
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 Cromenac'h beach alluvials (Cromenac'h West), Ambon, Vannes, Morbihan, Brittany, France
Data Identifiers
Mindat Occurrence Record ID:287296
Long-form Identifier:1:3:287296:4
GUID (UUID V4):0
Nearest other occurrences of Biotite
9.7km (6.0 miles) ⓘPointe du Bile beach alluvial deposits, Penestin, Vannes, Morbihan, Brittany, France
18.5km (11.5 miles) ⓘTrévenaste beach alluvials, Sarzeau, Vannes, Morbihan, Brittany, France
25.8km (16.0 miles) ⓘLe Croisic Point, Le Croisic, Saint-Nazaire, Loire-Atlantique, Pays de la Loire, France
28.5km (17.7 miles) ⓘLa Dilane, Batz-sur-Mer, Saint-Nazaire, Loire-Atlantique, Pays de la Loire, France
30.7km (19.1 miles) ⓘPenchâteau Point, Le Pouliguen, Saint-Nazaire, Loire-Atlantique, Pays de la Loire, France
35.3km (21.9 miles) ⓘSainte-Marguerite, Pornichet, Saint-Nazaire, Loire-Atlantique, Pays de la Loire, France
37.3km (23.2 miles) ⓘVille-ès-Martin, Saint-Nazaire, Saint-Nazaire, Loire-Atlantique, Pays de la Loire, France
69.2km (43.0 miles) ⓘSpernec Point, Primiture, Groix, Lorient, Morbihan, Brittany, France
79.4km (49.3 miles) ⓘParc Grillaud, Chantenay, Nantes, Nantes, Loire-Atlantique, Pays de la Loire, France
80.1km (49.8 miles) ⓘMiséri (Miséry) quarry, Chantenay, Nantes, Nantes, Loire-Atlantique, Pays de la Loire, France
References
R. Pierrot, L. Chauris, C Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
 
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