| Locality type: | Quarry |
| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Data |
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| Mineral Data: | Click here to view Opal data |
| Locality Data: | Click here to view Pravallino Quarry, Montoso Quarries, Bagnolo Piemonte, Cuneo Province, Piedmont, Italy |
| Photo Gallery | View Gallery (4 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1569116 |
| Long-form Identifier: | 1:3:1569116:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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| 4.1km (2.5 miles) | ⓘSeccarezze Quarries, Luserna San Giovanni, Metropolitan City of Turin, Piedmont, Italy |
| 32.8km (20.4 miles) | ⓘManiglia Mt. Mine, Bellino, Cuneo Province, Piedmont, Italy |
| 33.0km (20.5 miles) | ⓘSan Valeriano quarry, Piossasco, Metropolitan City of Turin, Piedmont, Italy |
| 40.5km (25.2 miles) | ⓘValletta Mine, Vallone della Valletta, Canosio, Cuneo Province, Piedmont, Italy |
| 41.1km (25.5 miles) | ⓘMonte Cruzore (Monte Cruzeau), Cesana Torinese, Metropolitan City of Turin, Piedmont, Italy |
| 43.2km (26.8 miles) | ⓘTignai Quarry, Tignai, Bussoleno, Metropolitan City of Turin, Piedmont, Italy |
| 44.4km (27.6 miles) | ⓘSant'Abaco, Caselette, Metropolitan City of Turin, Piedmont, Italy |
| 46.0km (28.6 miles) | ⓘCalvo Mt. magnesite quarries (Caselette magnesite quarries), Caselette, Metropolitan City of Turin, Piedmont, Italy |
| 47.0km (29.2 miles) | ⓘ"Bardonecchia road" quartzite vein, Oulx, Metropolitan City of Turin, Piedmont, Italy |
| 49.5km (30.7 miles) | ⓘCivrari Mountain, Condove, Metropolitan City of Turin, Piedmont, Italy |
| References |
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Pravallino Quarry, Montoso Quarries, Bagnolo Piemonte, Cuneo Province, Piedmont, Italy