| Locality type: | Outcrop |
| 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 |
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| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Metadiorite occurrence, Rocca Sparviera, Angrogna, Metropolitan City of Turin, Piedmont, Italy |
| Data Identifiers |
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|
| Mindat Occurrence Record ID: | 1559972 |
| Long-form Identifier: | 1:3:1559972:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
|---|
|
|
| 1.0km (0.6 miles) | ⓘGiasset metadiorite outcrop, Angrogna, Metropolitan City of Turin, Piedmont, Italy |
| 2.5km (1.5 miles) | ⓘColle dei Founs metadiorite outcrop, Angrogna, Metropolitan City of Turin, Piedmont, Italy |
| 3.0km (1.9 miles) | ⓘMetadiorite occurrence, Pra del Torno, Angrogna, Metropolitan City of Turin, Piedmont, Italy |
| 3.8km (2.4 miles) | ⓘVallone di Subiasco metadiorite outcrop, Villar Pellice, Metropolitan City of Turin, Piedmont, Italy |
| 8.7km (5.4 miles) | ⓘBruard quarries, Torre Pellice, Metropolitan City of Turin, Piedmont, Italy |
| 9.2km (5.7 miles) | ⓘFin quarries, Villar Pellice, Metropolitan City of Turin, Piedmont, Italy |
| 9.3km (5.8 miles) | ⓘLuetta Quarry, Rorà, Metropolitan City of Turin, Piedmont, Italy |
| 9.9km (6.1 miles) | ⓘFragnon quarries, Bobbio Pellice, Metropolitan City of Turin, Piedmont, Italy |
| 10.2km (6.3 miles) | ⓘFin Quarry, Rorà, Metropolitan City of Turin, Piedmont, Italy |
| 10.3km (6.4 miles) | ⓘSape Chiot Quarry, Villar Pellice, Metropolitan City of Turin, Piedmont, Italy |
| References |
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|
Sandrone, R., Sacchi, R., Cordola, M., Fontan, D., and Villa, I.M. (1988) Metadiorites in the Dora-Maira polymetamorphic basement (Cottian Alps). Rendiconti della Società Italiana di Mineralogia e Petrologia, 4(1): 593-608. |
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