Locality type: | Pit |
Classification |
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Species: | Quartz |
Formula: | SiO2 |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Quartz data |
Locality Data: | Click here to view Trethosa China Clay Pit, Treviscoe, St Stephen-in-Brannel, Cornwall, England, UK |
Data Identifiers |
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Mindat Occurrence Record ID: | 79700 |
Long-form Identifier: | 1:3:79700:9 |
GUID (UUID V4): | 5fdfd414-e10a-45e9-84fe-cbc4db19b67c |
Nearest other occurrences of Quartz |
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0.4km (0.2 miles) | ⓘGoonvean China Clay Pit, Treviscoe, St Stephen-in-Brannel, Cornwall, England, UK |
1.0km (0.6 miles) | ⓘVirginia China Clay Pit, Melbur, St Stephen-in-Brannel, Cornwall, England, UK |
1.3km (0.8 miles) | ⓘRostowrack China Clay Pit, Hendra Downs, St Dennis, Cornwall, England, UK |
1.5km (0.9 miles) | ⓘGreat Wheal Prosper China Stone Quarry, Hendra Downs, St Dennis, Cornwall, England, UK |
1.8km (1.1 miles) | ⓘStenna Gwyn Mine (Stennagwyn Mine), Foxhole, St Stephen-in-Brannel, Cornwall, England, UK |
3.0km (1.8 miles) | ⓘWheal Remfry China Clay Pit, Fraddon, St Enoder, Cornwall, England, UK |
3.1km (1.9 miles) | ⓘSouth Terras Mine (Resugga & Tolgarrick Mine; Union Mine; Uranium Mine), St Stephen-in-Brannel, Cornwall, England, UK |
3.3km (2.1 miles) | ⓘBodinnick Mine, Coombe, St Stephen-in-Brannel, Cornwall, England, UK |
4.1km (2.6 miles) | ⓘLadock iron mine, Ladock, Cornwall, England, UK |
4.3km (2.6 miles) | ⓘFatwork and Virtue Mine (Indian Queens Tin Mine; Wheal Cornwall), Trevarran United Mines, Indian Queens, St Enoder, Cornwall, England, UK |
References |
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Reference Search (possible matching items) |
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| | Journal (article/letter/editorial) | inclusions in topaz for greisenisation and mineralisation in the Hensbarrow topaz granite, Cornwall, England...inclusions in topaz from greisens in the Hensbarrow topaz granite stock (St. Austell, Cornwall) are used...inclusions including aqueous liquid + vapour (L + V), quartz, zinnwaldite, albite, Kfeldspar, muscovite, ilmenorutile...[(Fe+2,Mn+2)2(Nb,Ta)2W+6O10]. Primary L + V inclusions in topaz show relatively high Th (mainly 300 to >500...wt % NaCl equivalent) compared with those in greisen quartz (150–450 °C, 0–50 wt % NaCl equivalent). Textures |
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Trethosa China Clay Pit, Treviscoe, St Stephen-in-Brannel, Cornwall, England, UK