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Biotite from
Neuffonds river alluvials, Besse-en-Chandesse, Besse-et-Saint-Anastaise, 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 Neuffonds river alluvials, Besse-en-Chandesse, Besse-et-Saint-Anastaise, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Nearest other occurrences of Biotite
1.5km (0.9 miles) Chareire river alluvials, Chareire, Picherande, La Tour d'Auvergne, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
5.5km (3.4 miles) Roc de Courlande, Chastreix, Monts-Dore massif, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
6.8km (4.2 miles) Couze de Chaudefour river alluvials, Voissière, Chambon-sur-Lac, Besse-et-Saint-Anastaise, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
8.7km (5.4 miles) Gagne river alluvials, La Tour d'Auvergne, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
10.2km (6.4 miles) Val Blanc river alluvials, Mont-Dore, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
12.6km (7.8 miles) Ayssard river alluvials, La Tour d'Auvergne, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
16.8km (10.4 miles) Ricolas river alluvials, Laqueuille, Rochefort-Montagne, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
19.9km (12.4 miles) Buges river alluvials, Perpezat, Rochefort-Montagne, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
20.0km (12.4 miles) Chevalard river alluvials, Vernines, Rochefort-Montagne, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
22.1km (13.8 miles) Rioupéroux river alluvials, Jollère, Perpezat, Rochefort-Montagne, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
 
Mineral and/or Locality  
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