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 Stenna Gwyn Mine (Stennagwyn Mine), Foxhole, St Stephen-in-Brannel, Cornwall, England, UK |
Data Identifiers |
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Mindat Occurrence Record ID: | 8252 |
Long-form Identifier: | 1:3:8252:5 |
GUID (UUID V4): | 9c68c996-59fd-4e18-8272-5c5996db3ffc |
Nearest other occurrences of Opal |
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1.3km (0.8 miles) | ⓘGreat Wheal Prosper China Stone Quarry, Hendra Downs, St Dennis, Cornwall, England, UK |
1.7km (1.0 miles) | ⓘRostowrack China Clay Pit, Hendra Downs, St Dennis, Cornwall, England, UK |
2.3km (1.5 miles) | ⓘBlackpool China Clay Pit, Trewoon, St Mewan, Cornwall, England, UK |
2.8km (1.7 miles) | ⓘGreat Longstone China Clay Pit, Longstone Downs, St Mewan, Cornwall, England, UK |
2.8km (1.8 miles) | ⓘVirginia China Clay Pit, Melbur, St Stephen-in-Brannel, Cornwall, England, UK |
4.0km (2.5 miles) | ⓘSouth Terras Mine (Resugga & Tolgarrick Mine; Union Mine; Uranium Mine), St Stephen-in-Brannel, Cornwall, England, UK |
4.4km (2.8 miles) | ⓘWheal Remfry China Clay Pit, Fraddon, St Enoder, Cornwall, England, UK |
4.6km (2.8 miles) | ⓘGunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK |
4.9km (3.0 miles) | ⓘGreat Wheal Prosper China Clay Pit, Trezaise (Tresayes), Roche, Cornwall, England, UK |
5.3km (3.3 miles) | ⓘGoonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK |
References |
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