| Locality type: | Quarry |
| Classification |
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| Species: | 'Biotite' (not an IMA approved species) |
| Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Thaumasite | 2 |
| Grossular | 1 |
| - var Hibschite | 1 |
| Data |
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| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Grolla quarry, Spagnago, Cornedo Vicentino, Vicenza Province, Veneto, Italy |
| Photo Gallery | View Gallery (3 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 836872 |
| Long-form Identifier: | 1:3:836872:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 27.6km (17.1 miles) | ⓘCastelletto di Rotzo, Rotzo, Vicenza Province, Veneto, Italy |
| 39.9km (24.8 miles) | ⓘZovon, Vo', Padova Province, Veneto, Italy |
| 45.8km (28.5 miles) | ⓘMonte Rusta, Cinto Euganeo, Padova Province, Veneto, Italy |
| 46.4km (28.8 miles) | ⓘCase Berton Quarry, Monte Fasolo, Faedo, Cinto Euganeo, Padova Province, Veneto, Italy |
| 58.2km (36.2 miles) | ⓘQuadrate, Fornace, Trento Province, Trentino-Alto Adige/Südtirol, Italy |
| 60.6km (37.7 miles) | ⓘSettolo Basso, Bigolino, Valdobbiadene, Treviso Province, Veneto, Italy |
| 72.5km (45.0 miles) | ⓘCima Uzza, Valbona (Val Bona) & Val d'Arnò, Daone & Breguzzo, Trento Province, Trentino-Alto Adige/Südtirol, Italy |
| 80.9km (50.3 miles) | ⓘForcel Rosso Gully (Forcel Rosso Pass), Monte Foppa (north slope), Upper Val Saviore, Cevo, Brescia Province, Lombardy, Italy |
| 81.7km (50.8 miles) | ⓘSagrón Mine, Sagron Mis, Trento Province, Trentino-Alto Adige/Südtirol, Italy |
| 81.7km (50.8 miles) | ⓘVallalta Mine, Gosaldo, Belluno Province, Veneto, Italy |
| References |
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Grolla quarry, Spagnago, Cornedo Vicentino, Vicenza Province, Veneto, Italy