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Opal from
Cêrro da Oca Mine, Vale de Vargo, Vila Nova de São Bento e Vale de Vargo, Serpa, Beja, Portugal
| Locality type: | Mine | |
| Classification | ||
|---|---|---|
| Species: | Opal | |
| Formula: | SiO2 · nH2O | |
| Confirmation | ||
| Validity: | Confirmed | |
| Confirmation Methods: | Visually Identified | |
| Confirmation Details: | Where Tested and Reference ID: Rui Nunes collection | |
| Associated Minerals Based on Photo Data: | ||
| Jasper | 6 | |
| Quartz | 1 | |
| - var Chalcedony | 1 | |
| Data | ||
| Mineral Data: | Click here to view Opal data | |
| Locality Data: | Click here to view Cêrro da Oca Mine, Vale de Vargo, Vila Nova de São Bento e Vale de Vargo, Serpa, Beja, Portugal | |
| Photo Gallery | View Gallery (18 photos) | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 366558 | |
| Long-form Identifier: | 1:3:366558:9 | |
| GUID (UUID V4): | 0 | |
| Nearest other occurrences of Opal | ||
| 8.3km (5.1 miles) | ⓘPreguiça Mine, Sobral da Adiça, Moura, Beja, Portugal | |
| 49.8km (30.9 miles) | ⓘBalança Mine, Alcaria Ruiva, Mértola, Beja, Portugal | |
| 70.5km (43.8 miles) | ⓘDaroeira Mine, Martim Longo, Alcoutim, Faro, Portugal | |
| 90.5km (56.2 miles) | ⓘMostardeira Mine, Glória, Estremoz, Évora, Portugal | |
| References | ||
Cêrro da Oca Mine, Vale de Vargo, Vila Nova de São Bento e Vale de Vargo, Serpa, Beja, Portugal