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Biotite from
L'Hermitage, Saint-Chamond, Saint-Étienne, Loire, Auvergne-Rhône-Alpes, France


Locality type:Occurrence
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 L'Hermitage, Saint-Chamond, Saint-Étienne, Loire, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:660582
Long-form Identifier:1:3:660582:7
GUID (UUID V4):0
Nearest other occurrences of Biotite
10.1km (6.3 miles) ⓘPeymartin, La Tour-en-Jarez, Saint-Étienne, Loire, Auvergne-Rhône-Alpes, France
12.6km (7.8 miles) ⓘLe Sauzet, Saint-Héand, Saint-Étienne, Loire, Auvergne-Rhône-Alpes, France
21.5km (13.4 miles) ⓘSaint-Symphorien-sur-Coise quarry, Saint-Symphorien-sur-Coise, Lyon, Rhône, Auvergne-Rhône-Alpes, France
32.4km (20.1 miles) ⓘBellevue quarry, Montagny, Lyon, Rhône, Auvergne-Rhône-Alpes, France
43.5km (27.0 miles) ⓘQuai Saint Vincent, First District, Lyon, Lyon, Rhône, Auvergne-Rhône-Alpes, France
50.7km (31.5 miles) ⓘChessy copper mines, Chessy, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes, France
60.7km (37.7 miles) ⓘBournac volcano, Saint-Front, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, France
65.0km (40.4 miles) ⓘChardas, Monlet, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, France
67.0km (41.6 miles) ⓘMont Denise, Espaly-Saint-Marcel, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, France
68.6km (42.6 miles) ⓘLimestone quarries, Thizy-les-Bourgs, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes, France
References
Personnaly collected by M. Diot
 
and/or  
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