| Locality type: | Hill |
| 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, 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): | 07a92151-6eae-4d36-a414-1b0db5daf1a3 |
| Nearest other occurrences of Opal |
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| 1.8km (1.1 miles) | ⓘSensano, Volterra, Pisa Province, Tuscany, Italy |
| 5.9km (3.7 miles) | ⓘLa Striscia, Il Castagno, Gambassi Terme, Metropolitan City of Florence, Tuscany, Italy |
| 6.7km (4.1 miles) | ⓘFornaci di Montignoso Quarry (Bi.Bru Quarry), Montignoso, Montaione, Metropolitan City of Florence, Tuscany, Italy |
| 9.3km (5.7 miles) | ⓘIano (Jano), Montaione, Metropolitan City of Florence, Tuscany, Italy |
| 27.9km (17.3 miles) | ⓘMonterufoli, Pomarance, Pisa Province, Tuscany, Italy |
| 29.9km (18.6 miles) | ⓘLa Sassa, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy |
| 30.1km (18.7 miles) | ⓘLe Cetine di Cotorniano Mine, Chiusdino, Siena Province, Tuscany, Italy |
| 30.5km (18.9 miles) | ⓘPoggio Castiglione, Canneto, Monteverdi Marittimo, Pisa Province, Tuscany, Italy |
| 33.9km (21.1 miles) | ⓘCarraie Hill, Impruneta, Metropolitan City of Florence, Tuscany, Italy |
| 37.4km (23.2 miles) | ⓘMount Leo, Monterotondo Marittimo, Grosseto Province, Tuscany, Italy |
| References |
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| Reference Search (possible matching items) |
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 | | Book | | O, a New Mineral from Val di Fiemme, Trentino, Italy Reprinted from: Minerals 2018, 8, 248, doi:10.3390/min8060248...Cretaio Cu Prospect, Massa Marittima, Grosseto (Tuscany, Italy): Occurrence and Crystal Structure Reprinted...the territories of each of these two countries. Italy and Germany (350 each) are next, followed by Canada...and Hekla volcanoes in Iceland and Vesuvius in Italy [2], and thermaerogenite, CuAl2 O4 , from the Tolbachik...Earth’s underground, finally being ejected in South Italy with the eruption of a volcano (Stromboli). Therefore |
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