| Locality type: | Mine |
| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| Habit: | opalescent crust |
| Colour: | biege |
| Luminescent properties: | none |
| Quality for species: | Poor for species, only of interest for locality collectors. (#) |
| Abundance at site: | Common |
| 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 Trestia Mine, Trestia, Băița, Hunedoara County, Romania |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 68920 |
| Long-form Identifier: | 1:3:68920:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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| 13.5km (8.4 miles) | ⓘTechereu, Balșa, Hunedoara County, Romania |
| 35.6km (22.1 miles) | ⓘRoşia Montană, Roșia Montană, Alba County, Romania |
| References |
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