| 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 Lustrola, Granaglione, Alto Reno Terme, Metropolitan City of Bologna, Emilia-Romagna, Italy |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 959260 |
| Long-form Identifier: | 1:3:959260:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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| 47.4km (29.5 miles) | ⓘSasso Cinturino, Villa Collemandina, Garfagnana, Lucca Province, Tuscany, Italy |
| 53.8km (33.4 miles) | ⓘCarraie Hill, Impruneta, Metropolitan City of Florence, Tuscany, Italy |
| 66.5km (41.3 miles) | ⓘLucchetti Quarry (Strinato B Quarry; Strinato Quarry), Fantiscritti, Miseglia quarrying basin (Miseglia-Fantiscritti quarrying basin; Fantiscritti quarrying basin), Carrara, Massa-Carrara Province, Tuscany, Italy |
| 67.5km (42.0 miles) | ⓘGambassi Quarry (Borgo alla Collina), Gambassi Terme, Metropolitan City of Florence, Tuscany, Italy |
| 68.1km (42.3 miles) | ⓘIano (Jano), Montaione, Metropolitan City of Florence, Tuscany, Italy |
| 69.6km (43.3 miles) | ⓘFornaci di Montignoso Quarry (Bi.Bru Quarry), Montaione, Metropolitan City of Florence, Tuscany, Italy |
| 70.6km (43.9 miles) | ⓘLa Striscia, Il Castagno, Gambassi Terme, Metropolitan City of Florence, Tuscany, Italy |
| 75.3km (46.8 miles) | ⓘPoggio del Cornocchio quarries, Volterra, Pisa Province, Tuscany, Italy |
| 76.4km (47.5 miles) | ⓘSensano, Volterra, Pisa Province, Tuscany, Italy |
| 77.3km (48.0 miles) | ⓘMontemassi, Collesalvetti, Livorno Province, Tuscany, Italy |
| References |
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