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Biotite from
Dore river alluvials, Dorat, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France

Locality type:Alluvials
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
References
References:Collected by François Périnet
Specimen source:Personally collected
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Dore river alluvials, Dorat, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Nearest other occurrences of Biotite
25.6km (15.9 miles) Charrier Mine, Laprugne, Le Mayet-de-Montagne, Allier, Auvergne-Rhône-Alpes, France
39.7km (24.6 miles) Puy de Tunisset, Saint-Ours-les-Roches, Pontgibaud, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
39.7km (24.7 miles) Puy de Saint-Sandoux (Puy de Barneire), Saint-Sandoux, Saint-Amant-Tallende, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
41.5km (25.8 miles) Grand Etang alluvial deposits, Andelot River watershed, St-Didier-la-Forêt, Vichy, Allier, Auvergne-Rhône-Alpes, France
48.2km (29.9 miles) Gigeole river alluvials, Olmont, Nébouzat, Rochefort-Montagne, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
50.0km (31.1 miles) Chevalard river alluvials, Vernines, Rochefort-Montagne, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
52.2km (32.4 miles) Sioulot river alluvials, Olby, Pontgibaud, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
53.6km (33.3 miles) Les Montmins Mine (Ste Barbe vein), Échassières, Ébreuil, Allier, Auvergne-Rhône-Alpes, France
54.9km (34.1 miles) Louroux-de-Bouble, Gannat, Vichy, Allier, Auvergne-Rhône-Alpes, France
58.4km (36.3 miles) Buges river alluvials, Perpezat, Rochefort-Montagne, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
 
Mineral and/or Locality  
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