| Locality type: | Commune |
| 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 Santa Fiora, Grosseto Province, Tuscany, Italy |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 985548 |
| Long-form Identifier: | 1:3:985548:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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| 8.6km (5.4 miles) | ⓘMazzarelle quarry, Castel del Piano, Grosseto Province, Tuscany, Italy |
| 28.6km (17.8 miles) | ⓘMontenero Quarry, Onano, Viterbo Province, Lazio, Italy |
| 36.7km (22.8 miles) | ⓘFosso della Chiesa Mine, Pompana, Murlo, Siena Province, Tuscany, Italy |
| 50.5km (31.4 miles) | ⓘCampomorto Quarry, Pietra Massa Locality, Montalto di Castro, Viterbo Province, Lazio, Italy |
| 55.5km (34.5 miles) | ⓘVispi Quarry, San Venanzo, Terni Province, Umbria, Italy |
| 56.0km (34.8 miles) | ⓘLe Cetine di Cotorniano mine, Chiusdino, Siena Province, Tuscany, Italy |
| 70.2km (43.6 miles) | ⓘPoggio Nibbio, Viterbo, Viterbo Province, Lazio, Italy |
| 74.2km (46.1 miles) | ⓘMount Leo, Monterotondo Marittimo, Grosseto Province, Tuscany, Italy |
| 75.1km (46.7 miles) | ⓘCassia Road km 61.5, Capranica, Viterbo Province, Lazio, Italy |
| 76.9km (47.8 miles) | ⓘCampo Padella, Capranica, Viterbo Province, Lazio, Italy |
| References |
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Santa Fiora, Grosseto Province, Tuscany, Italy