| 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 Trugo, Trebudannon, St Columb Major, Cornwall, England, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 784975 |
| Long-form Identifier: | 1:3:784975:6 |
| GUID (UUID V4): | e3aa2a78-b215-44f6-8476-c6c9fd1a6bd9 |
| Nearest other occurrences of Opal |
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| 4.1km (2.6 miles) | ⓘWheal Remfry China Clay Pit, Fraddon, St Enoder, Cornwall, England, UK |
| 6.2km (3.8 miles) | ⓘVirginia China Clay Pit, Melbur, St Stephen-in-Brannel, Cornwall, England, UK |
| 6.9km (4.3 miles) | ⓘRostowrack China Clay Pit, Hendra Downs, St Dennis, Cornwall, England, UK |
| 7.3km (4.5 miles) | ⓘGreat Wheal Prosper China Stone Quarry, Hendra Downs, St Dennis, Cornwall, England, UK |
| 8.5km (5.3 miles) | ⓘStenna Gwyn Mine (Stennagwyn Mine), Foxhole, St Stephen-in-Brannel, Cornwall, England, UK |
| 8.8km (5.5 miles) | ⓘSouth Terras Mine (Resugga & Tolgarrick Mine; Union Mine; Uranium Mine), St Stephen-in-Brannel, Cornwall, England, UK |
| 10.3km (6.4 miles) | ⓘGreat Longstone China Clay Pit, Longstone Downs, St Mewan, Cornwall, England, UK |
| 10.7km (6.7 miles) | ⓘGreat Wheal Prosper China Clay Pit, Trezaise (Tresayes), Roche, Cornwall, England, UK |
| 10.9km (6.8 miles) | ⓘBlackpool China Clay Pit, Trewoon, St Mewan, Cornwall, England, UK |
| 11.5km (7.2 miles) | ⓘGunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK |
| References |
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| Reference Search (possible matching items) |
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 | | Book | | Endsleigh House 50 Daniell Road Truro, Cornwall TR1 2DA England Printed in Great Britain by Short Run...that he knew of no place on earth that surpassed Cornwall in the number and variety of its minerals. Hogg's...is subtitled 'in wich [sic] is shown how much Cornwall contributes to the illustration of the science'...later by Collins' A Handbook to the Mineralogy of Cornwall and Devon' (1871; 1892 with addenda, the latter...mention Purser's 'Minerals and locations in S.W. England' (1974). The work was never published, although |  | | Book | | present day, throughout the jength and breadth of Cornwall, which are ^mistakably of great antiquity. \V%...STORICAL AND MONUMENTAL, OF IDE COUNTY OF CORNWALL.’* Devon and Cornwall) were first discovered by tne Phornicians...among<^ which they prolmbly reckoned the west of Cornwall, carried on so considerable a trade here, that...that • called by the two names of Devonshire and Cornwall, and the small islands adjacent to Con^wall, now...trade, pursued by a itself not unlikely that Cornwall, the southernmost part of all this island, may |
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