| Locality type: | Mine |
| 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 Wheal Gorland, St Day, Cornwall, England, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 8248 |
| Long-form Identifier: | 1:3:8248:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Opal |
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| 1.1km (0.7 miles) | ⓘWheal Damsel, Wheal Damsel United Mines, Carharrack, Cornwall, England, UK |
| 1.5km (0.9 miles) | ⓘWest Wheal Damsel (Wheal Spinster), Wheal Damsel United Mines, Carharrack, Cornwall, England, UK |
| 1.7km (1.0 miles) | ⓘTreskerby and Chance United Mine (incl. Treskerby Mine; Wheal Chance), Redruth, Cornwall, England, UK |
| 1.9km (1.2 miles) | ⓘCathedral Mine, Busveal, St Day, Cornwall, England, UK |
| 4.1km (2.5 miles) | ⓘWheal Buller, Wheal Buller and Beauchamp, Redruth, Cornwall, England, UK |
| 4.9km (3.0 miles) | ⓘSouth Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK |
| 7.7km (4.8 miles) | ⓘNorth Roskear Mine, North Roskear, Camborne, Cornwall, England, UK |
| 7.9km (4.9 miles) | ⓘWheal Gine (Wheal Polgine), Grenville United Mines, Troon, Camborne, Cornwall, England, UK |
| 8.3km (5.1 miles) | ⓘWheal Gerry (Higher Rosewarne Mine; incl. Wheal Chance), South Roskear group (Pendarves Consols), Camborne, Cornwall, England, UK |
| 12.7km (7.9 miles) | ⓘRosewarne Consols, Halancoose, Gwinear-Gwithian, Cornwall, England, UK |
| References |
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Wheal Gorland, St Day, Cornwall, England, UK