| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | XRD |
| Data |
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| Mineral Data: | Click here to view Opal data |
| Locality Data: | Click here to view El Negral quarry, Pozo Alcón, Jaén, Andalusia, Spain |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1295926 |
| Long-form Identifier: | 1:3:1295926:8 |
| GUID (UUID V4): | 75ef88ce-03be-4494-b2f2-758d3e58db11 |
| Nearest other occurrences of Opal |
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| 40.4km (25.1 miles) | ⓘGypsum outcrop, Galera, Granada, Andalusia, Spain |
| 52.2km (32.4 miles) | ⓘGeneral mines (Cortijo Virginia), Escúllar, Las Tres Villas, Almería, Andalusia, Spain |
| 60.3km (37.5 miles) | ⓘSan José Mine, Bayarque, Almería, Andalusia, Spain |
| References |
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