| 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 Le Poizat, Montgellafrey, Saint-François-Longchamp, Saint-Jean-de-Maurienne, Savoie, Auvergne-Rhône-Alpes, France |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 247441 |
| Long-form Identifier: | 1:3:247441:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
|---|
|
|
| 2.4km (1.5 miles) | ⓘLa Grande Léchère, Montgellafrey, Saint-François-Longchamp, Saint-Jean-de-Maurienne, Savoie, Auvergne-Rhône-Alpes, France |
| 53.9km (33.5 miles) | ⓘRio Geronda Valley, Salbertrand, Metropolitan City of Turin, Piedmont, Italy |
| 56.0km (34.8 miles) | ⓘGrange della Valle, Vallone Galambra, Exilles, Metropolitan City of Turin, Piedmont, Italy |
| 62.5km (38.9 miles) | ⓘMiage Glacier, Courmayeur, Aosta Valley, Italy |
| 63.7km (39.6 miles) | ⓘReplatte du Gondran, Montgenèvre, Briançon, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France |
| 67.1km (41.7 miles) | ⓘColle San Carlo area (Col Saint-Charles area; Col d'Arpy area), Morgex, Aosta Valley, Italy |
| 69.2km (43.0 miles) | ⓘKiriaz (Chirriaz), Morgex, Aosta Valley, Italy |
| 69.9km (43.4 miles) | ⓘMontet, Morgex, Aosta Valley, Italy |
| 75.2km (46.8 miles) | ⓘPointe des Periades, Leschaux glacier, Chamonix, Chamonix-Mont-Blanc, Bonneville, Haute-Savoie, Auvergne-Rhône-Alpes, France |
| 77.1km (47.9 miles) | ⓘColle del Vento, Villar Focchiardo, Metropolitan City of Turin, Piedmont, Italy |
| References |
|---|
|
De Ascençao Guedes, Roger, Chiappero, Pierre-Jacques, Ducarre, Claude Julien, Meisser, Nicolas, Parodi, Gian Carlo, Rivoallan, Xavier, Valverde, Jaques (2000) Espéces minérales. Le Règne Minéral - Hors Série 6, Les Éditions du Piat. 24-39 |
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