 | | Journal (issue) | | No. 8 647 Editorial p. 719 Columns 648 What’s New Gemlogis Taupe Diamond Segregator|M-Screen melee...Articles 678 From Exsolution to ‘Gold Sheen’: A New Variety of Corundum By Thanh Nhan Bui, Katerina Deliousi...Yong Zhu, Tianyang Zhang, Xuan Wang, Jian Zhang, Hong Ma and Zhonghua Song 712 Conferences Canadian Gemmological...Note on pp. 656–658. Photo by Jeff White. 721 Gem-A Notices 735 Learning Opportunities 738 New Media...GemeWizard Ltd., Ramat Gan, Israel; Guanghai Shi, China University of Geosciences, Beijing; James E. Shigley |  | | Book | | visited on the occasion of the Eleventh Commonwealth Mining and Metallurgical Congress, Hong Kong, 1978...Foreword 1 Hong Kong 1 Mining of the wolframite deposit of Needle Hill Mine, Hong Kong 13 Lok On Pai desalting...Mass-transit railway 14 Tuen Mun highway 18 New Town development schemes 24 Shiu Wing Steel, Ltd...Institute Sungei Besi Mines, Ltd. 33 Ayer Hitam Tin Dredging, Ltd. 33 Selangor Dredging Berhad 34...V. (Jurong Shipyard, Ltd.) 37 Southeast As.ia Tin Research and Development Centre 39 39 46 Geology |  | | Journal (issue) | | (Horgen), Prof A T Collins (London), J Finlayson (Stoke on Trent), Dr J W Harris (Glasgow), Prof R A Howie (Derbyshire)...gemmologist, and after he retired from dealing in gems on a daily basis, he never lost interest and continued...making steel for the Japanese war effort, surviving on the poorest of diets for some three and a half years...of the Gemmological Association. In 1950 he took on the task of running the first year correspondence...would then give them a copy of his own observations on the same materials, so they could see just what they |  | | Journal (issue) | | excellence in the trade. Sign up now and receive our NEW fully illustrated Diamond Diploma course notes —...include the most current information and research on diamonds, as well as everything you need to get you...Volume 34 / No. 4 COLUMNS p. 35 279 What’s New GemmoFtir|GSJ abstracts| Historical facet designs|ICGL...in a parcel of yellow melee|Glass imitation of malachite|Dyed quartzite and chalcedony beads imitating...Thomas Hainschwang, Franck Notari and Erik Vadaszi on pages 306–315. Photo by T. Hainschwang. ARTICLES |  | | Journal (issue) | | Prof. A.T. Collins (London), J. Finlayson (Stoke on Trent), Dr J.W. Harris (Glasgow), Prof. R.A. Howie...glad to consider original articles shedding new light on subjects of gemmological interest for publication...typescripts for publication in The Journal is given on our website, or contact the Production Editor at...studies of nephrites within several ‘fields’ in New Zealand, which fall within distinct geological terranes...nephrite in other localities around the Pacific Rim, in New Caledonia, Australia, Taiwan, Russia and Canada. |  | | Journal (issue) | | 0 香::`:； he society started in January 20 5 Kong to provide a meeting point 5 亡 ;: 。rganise...active mineral 區親自採 集 礦 物，到有歷史 mines in M ainland China to collect 意 義的香港廢棄 礦區參觀。全 specimens, and we have...have toured abandoned 世界收藏礦物的圈子是比較小 mines in Hong Kong for their historical 的，我們在外國的大型 礦物展 interest...shows in other countries 學會的聚會，與我們分享他們的經 visit Hong Kong and come along to our society's meetings, and...in the Mineralogy Society of Hong Kong. Details of the meetings are on the website and newcomers are |  | | Journal (issue) | | Prof. A. T. Collins (London), J. Finlayson (Stoke on Trent), Dr J. W. Harris (Glasgow), Prof. R. A. Howie...glad to consider original articles shedding new light on subjects of gemmological interest for publication...typescripts for publication in The Journal is given on our website, or contact the Production Editor at...However, with the increasing number of new sources of gem-quality stones on the international market such as...especially in connection with the description of new sources of ruby and sapphire and with the description |  | | Journal (issue) | | / Volume 34 / No. 2 COLUMNS p. 105 91 What’s New p. 109 GIA DiamondCheck | HRD Alpha Diamond Analyzer...spessartine inclusion | Tourmaline from the Cruzeiro Mine, Brazil | Natural diamond showing a ‘synthetic’...more on historic diamond cutting styles in Portugal, see the article by R. Galopim de Carvalho on pp....162 Gem-A Notices 170 Learning Opportunities 174 New Media 182 Literature of Interest i Gemmology...GemeWizard Ltd., Ramat Gan, Israel; Guanghai Shi, China University of Geosciences, Beijing; James E. Shigley |  | | Journal (issue) | | in this issue Kennecott’s Oswaldo Zinc Mine Page 20 ’ Contractors Prefer Eimcos — for loading underground...hydraulic lifting device activated by the torsional load on the mechanism. When an overload is of proven and...Model cable. Toggle pins attached to sheave blocks on heavy-duty chains. SPECIFIC—ORDER Blocks Products...jobs handled by Tournadozers at this Belgian Congo mine. In addition to their Tournapulls and Tournadozers...BAKWANGA, BELGIAN CONGO, mining engineers located vast new deposits of industrial diamonds under 30 meters (100 |  | | Book | | 3083, Australia ELSEVIER Amsterdam - Oxford - New York — Tokyo 1987 ELSEVIER SCIENCE PUBLISHERS B...SCIENCE PUBLISHING COMPANY INC. 52, Vanderbilt Avenue New York, NY 10017, U.S.A. Library of Congress Cata...Granite. 3. Rocks, Metamorphic. 4. Tungsten ores. 5. Tin ores. 6. Hydrothermal deposits. I. Title. II. Series...study of skarn deposits having anomalously high tin or tungsten contents, or both. With the present greater...geologist. Consequently, in contrast to many books on economic geology, both economic W- Sn skarns and |  | | Journal (volume) | | heading "Mining Digest." Report. Abbontiakoon's New Shaft {m.d.) Africa, Iron Ore Resources of British...Queensland ., Report. Asam Kumbang Tin Dredging Asbestos, Memorandum on 303 262 328 253 328 72 123 354...(m.d.) .... Berry, E. S Bingo Gold Mines Bisichi Tin Bitumen 122 130 383 375 Report Bombay, Occurrence...Guiana during 1921, Mming in 200 Platinum and Gold's New Dredge 161 Broken Hill Health Report 317 E. C. Andrews..... Chile Nitrate to Gem^any China-Clay as an Adulterant in Soap China-Clay Production in Canada Chinese |  | | Book | | fully with color photographs and diagrams. part, on the earth, describes the formais illustrated The...huge forces which have shaped surface, then goes on to discuss techniques of dating rocks by their radioactivity...plant and animal The second life part, in each. on minerals, explains in simple terms the crystal... collector can use to identify his specimens. on rocks, shows how the main have been formed and how...of rock rock specimens. The how final section, on collecting, tells the reader what to collect, what |  | | Book | | Skinner, editor, Economic Geology, 91-A Yale Station, New Haven, CT 06520 Contents Dedication to W. S. White...does an individual who has such a great influ¬ ence on his profession maintain such a low profile as “Whitie’...the last 25 years. Whitie is a longtime fixture of New England and Lake Superior geology, but we will not...shall consider the signal service he has performed on behalf of the profession through his par¬ ticipation...through a series of critical maneuvers including: new editorial procedures; a confrontation with its long¬ |
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