 | | Catalog/List | | 26, Tregeseal, St •. Just, Near pen~ance, Cornwall, England. TEL.NO.: st. Just 788880 STD 0736) V.A.T... scattered on matrix with a little crystalised Quartz and Chlorite. 2xl-t". £9.00. NATIVE ANTIMOIIJV...yellow, divergent bladed crystaline masses on and in milky Quart z. Specimen A - 2xlxl". £4.50; Specimen B... £5.50. BAYLDONITE. Wheal Carpenter, Gwinear, Cornwall. Specimen A - Rich crusts of sparkling lime green...covering Quartz matrj.x. I-txt". £1.50. -2-10'. I BORNITE. Carn Brea Mine Illogan, Cornwall. Select |  | | Catalog/List | | BJIRSTOW 26, Tregeseal, st. Just, Near Penzance, Cornwall, England. ...1973 1. bP~TITE. Tregarden Quarry, Luxulyan, Cornwall. Specimen aSmall, bright sharp greenish blue modified...hexagonal crystals richly encrusting Orthoclase, Quartz, Tourmaline, Gilbertite and Fluorite pegmatite...formed crystals on crystalised Orthoclase with Quartz and some highly modified deep purple Fluorite crystals...encrusting a matrix of Muscovite Mica with minor Quartz and JirSenopyrite. Large b.patite crystals such |  | | 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) | | hosting next years event, on the south coast of England, so put the date (11-13 April) in your diary and...to come. The number of mineralogy curators in the UK can now be counted on two hands, but more worryingly...collecting in the Caldbeck Fells, the Isle of Skye, Cornwall and Ireland. Later, we made several visits to...She became much more involved with the team at the UK Journal of Mines and Minerals and became its webmaster...beautiful baryte crystals. An out of season trip to Cornwall yielded wonderful botallackite from Cligga Head; |  | | Book | | PO Box 315. Harpenden. Hertfordshire AL5 2ZD. England Telephone: +44 (0)1582 762413 Fax: +44 (0)870 055................................... 428 8: babel quartz to bytownite .............................. 66...the production of e0pper. the mining areas of Cornwall and Devon became important producers of b th tin...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 |  | | Book (edition) | | specimens are found having very different colours. Quartz is com . monly colourless, or white, but it is...example. “ Opalescence ” p is a somewhat pearly or milky appear. ance. Opal and moonstone are examples. “...fracture. Iridescence may sometimes be seen in quartz, calcspar , and mica . Some minerals tarnish on...less perfect it is termed sub -vitreous lustre. Quartz, sanidine, rock- salt, etc., afford examples of...Machines for this purpose have been devised in England and on the Continent. Those worked by hand are |  | | Journal (issue) | | Peter G. Embrey British Museum (N.H.) London, England Richard C. Erd U.S. Geological Survey Menlo Park...pyrite with interstitial chalcopyrite and gold in quartz gangue. Gold, silver and copper have been mined...silver, all in a gangue of manganosiderite with quartz and barite. The most abundant sulfide was pyrite...to eighteen inches wide, composed of decomposed quartz containing some copper and very rich in free gold...1890; Griswold, 1951). “Large bodies of decomposed quartz, soft and porous, were found, carrying great masses |  | | Book (volume) | | THE METALLIFEROUS MINING REGION OF SOUTH -WEST ENGLAND Volume 1 LONDON HER MAJESTY'S STATIONERY OFFICE... 1 1 1 1 1 1 1 .,pvii Description .)SG(England urv eol em M est -WSouth of Region Mining MINING...GREAT BRITAIN ENGLAND AND WALES The Metalliferous Mining Region of South - West England Volume I Ву...This account of the mining geology of south -west England summarizes the geological information gained during...the long history of mining in the counties of Cornwall, Devon and west Somerset . the territory in which |
|
