| Locality type: | Quarry |
| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Opal data |
| Locality Data: | Click here to view Poggio del Cornocchio quarries, Volterra, Pisa Province, Tuscany, Italy |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 494445 |
| Long-form Identifier: | 1:3:494445:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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| 1.2km (0.7 miles) | ⓘSensano, Volterra, Pisa Province, Tuscany, Italy |
| 6.6km (4.1 miles) | ⓘLa Striscia, Il Castagno, Gambassi Terme, Metropolitan City of Florence, Tuscany, Italy |
| 7.4km (4.6 miles) | ⓘFornaci di Montignoso Quarry (Bi.Bru Quarry), Montaione, Metropolitan City of Florence, Tuscany, Italy |
| 8.1km (5.0 miles) | ⓘGambassi Quarry (Borgo alla Collina), Gambassi Terme, Metropolitan City of Florence, Tuscany, Italy |
| 10.0km (6.2 miles) | ⓘIano (Jano), Montaione, Metropolitan City of Florence, Tuscany, Italy |
| 27.5km (17.1 miles) | ⓘMonterufoli, Pomarance, Pisa Province, Tuscany, Italy |
| 29.3km (18.2 miles) | ⓘLe Cetine di Cotorniano mine, Chiusdino, Siena Province, Tuscany, Italy |
| 29.6km (18.4 miles) | ⓘLa Sassa, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy |
| 30.1km (18.7 miles) | ⓘPoggio Castiglione, Canneto, Monteverdi Marittimo, Pisa Province, Tuscany, Italy |
| 34.3km (21.3 miles) | ⓘCarraie Hill, Impruneta, Metropolitan City of Florence, Tuscany, Italy |
| References |
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