| Locality type: | Pit |
| Classification |
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| Species: | Opal |
| Formula: | SiO2 · nH2O |
| 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 Blackpool China Clay Pit, Trewoon, St Mewan, Cornwall, England, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 772236 |
| Long-form Identifier: | 1:3:772236:3 |
| GUID (UUID V4): | 7ac57864-56a4-4779-8249-2650b06e1f7d |
| Nearest other occurrences of Opal |
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| 2.3km (1.5 miles) | ⓘStenna Gwyn Mine (Stennagwyn Mine), Foxhole, St Stephen-in-Brannel, Cornwall, England, UK |
| 2.4km (1.5 miles) | ⓘGreat Longstone China Clay Pit, Longstone Downs, St Mewan, Cornwall, England, UK |
| 3.6km (2.2 miles) | ⓘGreat Wheal Prosper China Stone Quarry, Hendra Downs, St Dennis, Cornwall, England, UK |
| 3.9km (2.4 miles) | ⓘGunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK |
| 4.0km (2.5 miles) | ⓘRostowrack China Clay Pit, Hendra Downs, St Dennis, Cornwall, England, UK |
| 4.4km (2.7 miles) | ⓘCarclaze Old Tin Pit, Carclaze China Clay Pit (Baal China Clay Pit), Carludon, Treverbyn, Cornwall, England, UK |
| 4.9km (3.0 miles) | ⓘRock Hill China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK |
| 4.9km (3.1 miles) | ⓘGoonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK |
| 4.9km (3.1 miles) | ⓘGreat Wheal Prosper China Clay Pit, Trezaise (Tresayes), Roche, Cornwall, England, UK |
| 5.0km (3.1 miles) | ⓘSouth Terras Mine (Resugga & Tolgarrick Mine; Union Mine; Uranium Mine), St Stephen-in-Brannel, 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 |  | | Journal (issue) | | Swiss Collage, London April 8th/9th Field trip to Cornwall Thurs/Sun Leader Tony Lee April 20th/23rd Rocks...folk Gems Fair Saturday Dussindale Centre, Thorpe St, Norwich June 3rd Jver Heath Mineral Show Fri & Sat... G.A. Reunion Salurday University College, Gower St., lvndon November 4th Rocks 'N' Gems Sat/Sun 10.00am-5...·iclay Dec�mbcr 1st AGS Bazam {ciurday J l.00am-3.30pm St Albans Church Hall, We�cheath Drive, Golders Green...when t he region was a German colony and German is st ill the first language. It is a pleasant small t |  | | Catalog/List | | New Minerals in this list Armenite,Axinitefrom Cornwall,Bahianite,Bismutite, Celestite with Sulphur,Cubanite...SnO OH Cl ingots on a ship wreck in 1885 St Ives. Cornwall. Engl.and__ .. _ _ - •· Ix2ins Very. rich~...hard white sphere shaped nodule. Newhaven Sussex, England 12 ALUJ\JINITE lxlins50p lx2£I 2x2£2.S0 Al SO/4... . White phcnoaysts at least Smm size Boulouris, St Raphael, France lx2 £I.SO 2x2 £3 2x3 £5 3x4 £8 236...--- · - · · ··· _ 2x3 £I .SO 2x2£1 Staffordshire England lx2 S0p Rich white to faintly blue masses 23 Al'\HYDRITE |  | | Catalog/List | | Hetaerolite and calcite. East Cliff, Kennack, Lizard, Cornwall. An excellent specimen ofrare lustrous black micro...matrix. 86/243 Chalcedony. Pen lee Quarry, Newlyn, Cornwall. Light brown stalactitic chalcedony. Sphalerite...Sphalerite and quartz. Wheal Jane Mine, Baldhu, Cornwall. Black sphalerite crystals and transparent prismatic... Quartz with pyrite. Wheal Jane Mine, Baldhu, Cornwall. Large prismatic quartz crystals to 40mm completely...86/305 Quartz with pyrite. Wheal Jane Mine, Baldhu, Cornwall. Prismatic quartz crystals to 20mm with a Stoss-side |  | | Book | | PO Box 315. Harpenden. Hertfordshire AL5 2ZD. England Telephone: +44 (0)1582 762413 Fax: +44 (0)870 055...the production of e0pper. the mining areas of Cornwall and Devon became important producers of b th tin... I made it a stipulation that e:ich en~ in rn:, ·st ,, ,u.d be fully referenced. After eight years the...Oxford University Museum of Natural History; Royal Cornwall Museum, Truro; Sedgwick Museum, University of...1\llaga::i11e, on minerals from localities in Cornwall. Devon. Cumbria and Yorkshire. He was renowned |
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Blackpool China Clay Pit, Trewoon, St Mewan, Cornwall, England, UK