 | | Book | | Commonwealth Mining and Metallurgical Congress, Hong Kong, 1978 Edited and compiled by M. J. Jones and...Foreword 1 Hong Kong 1 Mining of the wolframite deposit of Needle Hill Mine, Hong Kong 13 Lok On...Tongyang talc mine 57 Chungju talc plant 57 Sukpo zinc refinery 57 Jangsong coal mine 59 J1;1pan...Company, Ltd. Hachinohe Smelting Company, Ltd . Australia Australian Mineral Development Laboratories (AMDEL)...Company Pty, Ltd. 73 73 73 Mount Isa Mines, Ltd. Western M ining Corporation, Ltd. 74 Central Norseman |  | | Report (issue) | | Director of the Geological Survey of Victoria, Australia. Sir ROBERT HADFIELD, Bart., lately President...: Europe : United I{ingdom 17 Asia : Ceylon, Hong I{ong, India, Federated Malay States, Unfederated...Canada • • • • Australasia: Commonwealth of Australia, New Zealand , il' 57 ,I CONTENTS CHAPTER...those of the Dutch Indies, Germany, China and Australia. Before the war, smelting was carried on in Germany...days, are the United I{:ingdom, Germany, France, Australia, Austria-Hungary, Russia, Italy and Belgium. The |  | | Journal (issue) | | Affiliated Associations: Gemmological Association of Australia: Canadian Gemmological Association: Rhodesian...tourmaline and quartz. On Chief Mountain the Pala Chief mine is one of the world's largest producers of gem quality...noticeable in crystals from the Stewart mine. From this mine comes the lepidolite-tourmaline rock in...section leading down from the Queen to the Stewart mine. In December 1968 work began to press forward to...reach a section of the pegmatite in the Stewart mine ignored by the original miners, who were seeking |  | | Journal (issue) | | also in: U.S.A. • SOUTH AFRICA RHODESIA • AUSTRALIA .. • I l K. & B. Laboratory Equipment Hand...ARTICLES The Superficial Deposits of the Lower Shire Valley, Nyasaland. By Alex. Mt1ir, B.Sc., Ph.D....on the Occurrence of a High Grade Beryl Ore in Hong Kong. By B. P. Ruxton, M.A., F.G.S., formerf:Yof Department...Geographyand Geology,Hong Kong University . . . . . . . Graphite Seams in Hong Kong. By B. P. Ruxton, M...formerly of Department of Geographyand Geology, Hong Kong Universiv, . REPORTS FROM THE GEOLOGICAL SURVEYS |  | | Catalog/List | | Officer NEW YORK LONDON Jim Halperin CHICAGO HONG KONG Mike Haynes Co-Chairman of the Board Chief...Vice President Kenneth Yung Managing Director Hong Kong Dear Collectors, Welcome to the December 8,...of Crystallized Gold from the famed Eagle’s Nest Mine in California A superb Crystallized “Leaf” Gold...gemstone Amethyst to come from the famed Four Peaks Mine in Arizona A sharp and complicated Crystallized...Crystallized Silver with Copper from the famed Wolverine Mine in Michigan A “classic” Rhodochrosite with associated |  | | Journal (volume) | | 137 Rhexoxylon and Dadoxylon from the Lower Shire Region of Nyasaland and Portuguese East Africa ...on a Method of Staining to Distinguish between Calcite and Dolomite. By J. Mitchell, B.Sc. , F.G.S., Geological...Colonies 307 The Superficial Deposits of the Lower Shire Valley, Nyasaland. By Alex. Muir, B.Sc., Ph.D.,...on the Occurrence of a High Grade Beryl Ore in Hong Kong. By B. P. Ruxton, M.A., F.G.S., formerly of Department...Geography and Geology, Hong Kong University 416 Graphite Seams in Hong Kong. By B. P. Ruxton , M.A |  | | Journal (issue) | | newsletter|Santa Fe Symposium proceedings|Fei cui testing in Hong Kong 691 Gem Notes Baryte from South Dakota, USA|...August 2017 from Gemetrix Pty. Ltd. (Perth, Western Australia), the Melee Inspector is a shortwave (255...have been used by GRS and the global gemstone community over the past two decades”. The colour terms are...blood ruby, royal blue and cornflower sapphire, old mine/ Muzo green emerald, sunrise and sunset padparadscha...CMS Standard Methods for Testing Fei Cui for Hong Kong Margaritologia Pearl Newsletter Nos. 7/8/9 In |  | | Report (issue) | | Union of South Africa Canada ••• ••• India ••• Australia ••• New Zealand • •• ••• ~ REFERENCES TO TECHNIOAL...are found in small quantities in New Zealand, Australia, Canada, and South Africa, but up to the present...of that mine 11nder 1.0-year contracts with the Spanish Government, tl1e owner·s of the mine. The firm's...123 U uion of South Africa Canada ... ... ... Hong Kong ... . .. British India ... . .. l 36,425 183...of South .Africa 5,164: Canada .. . ... . .. Hong Kong ... . .. ,. 60,216 18,756 British India . .. |  | | Book | | L OF HONG KONG EDITED BY S. G. DAVIS Profe,ror of Geography, University of H01,g Ko11g ' I ' •...\ '' l\19oJ,l!dO Ttll04 I I H6D3 1964 HONG KONG UNIVERSITY PRESS ' ' UNIVERSITY OF VICTORIA... I - ECONOMIC GEOLOGY OF HONG KONG • , ECONOMIC GEOLOGY OF HONG KONG EDITED BY S. G. D AVIS Professor...University of Hong Kong 1964 H ONG KONG I UNIVERSITY Victor , C PRE SS I © Hong Kong University...COUNTRIES EXCEPT ASIA EAST OF BURMA Printed in Hong Kong by CATHAY PRESS JI Wong Chuh Hang Road at Aberdeen |  | | Journal (issue) | | through calcite cleavage rhombs. I have seen them myself in quartz, but in my experience uncut calcite rhombs...orthorhombic), but in some cases, (after Alexander, 1977), Calcite (CaC0 3 , trigonal) is also found involved as a...fibre. Synthetic products consisting of pressed calcite or resin-impregnated material on the contrary appear...Physics Department, Monash University, Victoria, Australia. INTRODUCTION In a previous article (Hutton...same Institut. The Gemmological Association of Australia, especially the Victorian Branch, have been most |  | | Journal (issue) | | on Sunday 8 and Monday 9 November at the Great Western Royal Hotel, Paddington, London. Dr K. Nassau will...Precise locality unknown. em: emerald; mi: mica; ca: calcite; sch: schist. three factors combine to give low...in isotopic equilibrium with their associated calcite, and those from Santa Terezinha (Goias State, Brazil)...Ma age. 87Sr/86Sr + + + 0.730 - 0.720 - + •calcite 0.710 - 87Rb/86Sr 1 10 1 20 J. Gemm., 1992...the rhombohedron (a variable form typified by calcite) and the rhombic dodecahedron (a fixed form) both |  | | Journal (issue) | | takes us from sea level (or below) to high in the western Himalayas where the gems of Afghanistan are the...aragonite in the mother-of-pearl layer and as calcite in the prismatic layer. The X-ray diffractograms...producing calcite ~ mantle cel ls prod ucing arago nite IIlIIIIl prisma tic layer (calcite) ~ mot...of the shell. It is formed by small prisms of calcite crystals (CaC03, trigonal). The prismatic layer...influence strongly the crystallization of the calcite and aragonite crystals. More details follow in |  | | Report (edition) | | maps produced by the Geological Survey of Western Australia are available from: Information Centre Department...Bulletin 25 GEMSTONES OF WESTERN AUSTRALIA Gemstones of Western Australia second edition While systematically...authoritative, the second edition of Gemstones of Western Australia is written not only for the professional geologist...et al. The second edition of Gemstones of Western Australia is an updated version published in response...formal inception of the Geological Survey of Western Australia (GSWA) in 1896. In this second joint publication |  | | Journal (issue) | | 187 Peñas Blancas: An historic Colombian emerald mine R. Ringsrud and E. Boehm 251 Book review 254...the stature of The Journal in the scientific community. He recognized that gemmologists everywhere, and...known in the international gemmological research community. James Riley Gem-A Chief Executive Executive Editor...publication of the international gemmological community. Brendan Laurs Editor-in-Chief, The Journal of...Colombian emerald mine Ron Ringsrud and Edward Boehm Abstract: The Peñas Blancas emerald mine is part of Colombia’s |  | | Journal (issue) | | Lottermoser James Cook University Cairns, Queensland, Australia University, “La Sapienza”, Rome, Italy Daoxian...exposures are seen in discontinuous patches on the western side of the Chouderguda, running all along the...study conducted in and around one of the chromite mine of the valley reveals that the concentration of...varying between 0.02 mg/l and (Cr 0.12 mg/l in mine effluents and 0.03 Central Mining Research Institute... the water samples of ground and surface water, mine effluents and R. K. Tiwary which is in the downstream |  | | Journal (issue) | | diaspore-CO 2 -bearing inclusions, with or without calcite, occur in planar groupings. These are interpreted...analytical methods A total of 25 representative run-of-mine samples of uncut gem quality rubies, natural pale...to be halite. (B) The inclusion also contains calcite confirmed by LRM (see Figure 9). Natural and heat-treated...0 2 liquid and vapour, and a small crystal of calcite were observed at room temperature and identified... 0 1000 1500 2000 1000 B 800 Z' '00 c Calcite -J 600 - 400 Q) c 73 v.J\')~~ 200 0 500 |  | | Journal (issue) | | continuously secreted to wrap the inorganic crystals of calcite and aragonite as a sponge embraces its voids. There...calcium carbonate (CaC0 3 ), usually in the form of calcite. The prisms of this layer are perpendicular to...name for this layer is the prismatic layer or 'calcite primer'. The third and innermost layer forms the...crystals is orientated paraliei to the c-axis of the calcite prisms, or in other words at right angles to the...changes with the latter's age from conchin via calcite to aragonite. This has been vaguely known for a |  | | Journal (issue) | | Ornamental variscite: A new gemstone resource from Western Australia Margot Willing, Susan Stöcklmayer and Dr Martin...recently been investigated on Woodlands Station, Western Australia. The variscite from here occurs in n a variety...metavariscite, trivalent chromium, Woodlands Station, Western Australia Introduction Ornamental variscite is bluish...Monarch quarry, Iron Knob in South Australia and at Boa Vista mine in Minas Gerais, Brazil (http://www...Ornamental variscite: A new gemstone resource from Western Australia c a b Figure 1a: Variscite seahorse on |  | | Journal (issue) | | large rubellite crystals were found in the pegmatite mine at Sakangyi. Furthermore, Bauer (Spencer transi...Griffith Griffith University, Queensland, Australia Australia MarbacherStr. D-8067 Petershausen, Germany...Korund und und rocas alcalinas alcalinas(Australia, (Australia,Nigeria, Nigeria, Cambodia y ThailanCambodia...46. Growth structures in natural sapphire from Australia; planes parallel to c (0001) and r (1011). View... Growth structures in natural sapj)hire from Australia; planes parallel to c (0001), n (2243) and z (2241) |  | | Journal (issue) | | resource of information for both the gemmological community conferences and meetings to contribute to this...EGS 2019 Pb glass in pink sapphire Talk in Hong Kong Luc Yen field visit GemTOF at scientific conferences...from Mogok Close up: David Horstmann La ‘Rose de Mine’ SSEF foundation board V-rich ruby from Mogok...provide the reader with an of the supply chain from mine to market), but there are other models of overview...chain (i.e. from market to mine). This could include origin determination mine), source (e.g. recycled |  | | Journal (issue) | | localities around the Pacific Rim, in New Caledonia, Australia, Taiwan, Russia and Canada. Keywords: jade, nephrite...in countries of the Pacific Rim (New Zealand, Australia, New Caledonia, China, Korea, Japan, Russia (Siberia)...PHILIPPINES PACIFIC OCEAN INDONESIA PNG NEW CALEDONIA AUSTRALIA Cowell Tiwaka River Tamworth Nelson North Westland...East Sayan Mountains, Siberia, Russia, (b) Olderog Creek, North Westland, New Zealand, both with particularly...705851 ± 0.000029 JC-1 JC-2 CR1 Cowell, South Australia COW1 nephrite Cowell 0.69 5.43 0.127 0.368 |  | | Journal (issue) | | NE of the Sandawana mine, along the Mweza Range, which is named 'Machingwe' mine, after a nearby stream...The Machingwe Emerald mine The car journey from Masvingo to the Mashingwe mine takes about 3l/z hours...for the mine became 'Machingwe Syndicate No. No.22 Mine', but is better known under the name Mine: Machingwe...Machingwe mine. At the time of the first author's visit to the mine -S striking, the No. No.11 shaft shaft...mining based on very simple methods at the time the mine was visited, but also the plant and the treatment |  | | Report (issue) | | GEOLOGICAL SURVEY OF WESTERN AUSTRALIA L RESOURCES SULLETIN No. 8 OF WE G. H. LOW, 8.Sc. ISSUED UNDER...knowledge of the known copper deposits i n Western Australia. Although no large copper mines have been...according t o standard goldfield divisions. A summary is given for each goldfield, and then the individual...author has commented on the prospects of each goldfield o r centre, and h a s recommended areas which...Scope of this Bulletin .. ........ ... Minerals in Western Australian Copper Ores Distribution and Mode o |  | | Journal (issue) | | sample of emerald-green tourmaline from the Umba mine showing red in transmitted incandescent light but...UE tourmalines also occur in the John Saul ruby mine, Taita-Taveta District, Kenya (Simonet, 2000) which...garnet from the island of Otterøy near Molde, Western Norway. J. Gemm., 12(7), 296-9 Kennard, T.G., and...147-64 Simonet, C., 2000. Geology of the Yellow Mine (TaitaTaveta District, Kenya) and other yellow tourmaline...Phloi, Kanchanaburi, Thailand, New South Wales, Australia, and ChangLe, Shandong, China, is less significant |  | | Journal (issue) | | basalt fields: a comparative study of Barrington, Australia, and West Pailin, Cambodia, gemfields F.L. Sutherland1...Geodiversity Research Group, Australian Museum, Sydney, Australia 2. Giibelin Gemmological Laboratory, Lucerne,...Caterham, Surrey, U.K. ABSTRACT: Barrington, Australia, and West Pailin, Cambodia, basalt fields yield... basalt, Barrington (Australia), Pailin (Cambodia) Introduction Fast Australia and South East Asia exploit...industries (Mumme, 1988; Hughes, 1990, 1997). East Australia produces sapphire and rare ruby (Coldham, 1985; |
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