 | | Journal (issue) | | 1994 Cover Picture Ruby crystals from Mong Hsu, Myanmar (Burma): the terminated crystal (9mm high) is not...an oxidizing atmosphere for seven hours (see 'Myanmar and its gems - an update' p.3) Upper photo by Shane...Fax: 071 404 8843 J. Gemm., 1994, 24, 1 3 Myanmar* and its gems - an update Robert C. Kammerling1...Canada Fig. 1. The Kingdoms of Pagan in central Myanmar go back almost to the beginning of the Christian...gained on other important producing areas within Myanmar during several visits to the country by the majority |  | | Journal (issue) | | ruby sources, the Mogok Stone Tract of Burma (now Myanmar), has been off-limitsto Westerners for almost three...Moriano, Lucca, Italy; Robert C . Fisher, Beverly Hills, MI; Diane Flora, San Diego, CA; Ralph L. Forrester...Armidale, NSW, Australia; William R. Mann, Temple Hills, MD; James C. Marker, Santa Monica, CA; James S...Painter, Scottsdale, AZ; Bradley A. Partington, West Hills, CA; Linda Partney, Marathon, FL; Roy J. Pasini...Lambcrt, Que., Canada; Suzannc Rizzo, Commerce Township, MI; Elizabeth M. Roach, Flower Mound, TX; Donlingo |  | | Journal (issue) | | stone–producing regions included: Southeast Asia (Myanmar, Thailand, and Vietnam), Africa (Tanzania, Kenya...consumers. These included ruby from Mong Hsu, Myanmar (Burma); blue and pink sapphires from Madagascar;...the country rather than to the specific mine or region. For more on the specific localities, consult tables...mines have prompted active exploration in this region (Schwarz, 1999). Emerald mining also continued...other three rings are set with star rubies from Myanmar (7.90, 6.02, and about 15 ct, from bottom right |  | | Book | | Sapphires-History, idenrification, value, etc. I.Title. 3. Corundum-History, identification, value, ere. 4. Precious...composition 48 The corundum suucture 48 Crystallography of corundum 50 Twinning in corundum 52 Morphology...inclusions 97 Describjng inclusions 99 Overview of corundum inclusions I 00 Country descriptions of inclusions...100 24 Acknowledgments 1 S 20 7 Synthetic corundum 139 Alchemist's dreams 139 Enter Verneuil 141...visible abso rpcion spectra I 54 Synthetic scar corundum 155 Czochralski (pulling) process 159 Floating-zone |  | | Journal (issue) | | selected for third place "Update on Diffusion-Treated Corundum: Red and Other Colors," by Sllane McClure, Robert...Brazilian minersldealers who ventured into the region at the time, in exchange for "fees" negotiated...difficult access to the often flooded PantanallChaco region of South America. Although there is a small airstrip...border with Anahi Ametrine Mine Brazil. This region, known as Pantanal in Brazil and as Chaco in Bolivia...Mineral Productions, for providing information about corundum deposits in Brazil; Steven Davenport and Stanley |  | | Report (volume) | | Khasi Ilillfi.— Geological structure of Nilgiri Hills (Madras). Pt, 3, 1869 (out. oj print) Geological...Geological structure of central portion of Nerbndda District. Tertiary and alluvial deposits of central portion...[out of print) : Cretaceous Rocks of Tricbinopoly District, Pt. 2. 1864 (out of print) Districts of Tricbinopoly...VoL. VoL. XI. PL : 1876 (price 3 Rs.) ; Bait-region of Eohfii, Trans-Indus. XII. PL 1, 1877 (price...PL 2, 1876 (price 2 Rs.) : Coal-fields of Naga Hills. XTII. Pt. 1, 1877 (price 2 Rs. 8 As.) : Wardba |  | | Report (volume) | | production. Consumption The Gondwana Pench district, Raniganj and coalfields : North-East Assam...Bikaner. Labour statistics* Effect of coal-mining on district, the population. from : Mohpani, Wsrora, Singareni... Chromite 104 Clays 104 Copper-ores 104 Corundum and other Abrasives 105 Gem-stones 106 Glass-making...worked entirely for from returns made by the District Officers agree very closely with those obtained...has recently been in the being Dharwar made district, commenced in the Nizam’s Dominions* and Bombay |  | | Book (volume) | | VOL.2 Bauer, Max Precious stones J FOX LAKE DISTRICT LIBRARY 2§| £ J3RAND AVENUE 60020 - PRECIOUS...232 233 238 238 242 245 247 255 260 VOLUME II Corundum . Ruby Sapphire . Other varieties Spinel. Chrysoberyl...PLATE I. Fig. 4a. (Following p. 376.) DIAMOND, CORUNDUM, SPINEL, AND ZIRCON. Fig 1. V ,, ?! 3. ... Diamond-fields of the Diamantina. . . . district, Brazil .... „ 36. Occurrence of diamond in...254 VOLUME II Fig. 53. Crystalline forms of corundum (a—d, ruby ; e—l, sapphire) „ 54. 55. . . |  | | Book (edition) | | extensive fields in the prophetically named Kimberley district of Western Australia promise to be of world importance...an inner solid region of diameter 2440 km and density about 8 gcm3, and an outer region about 2260 km...alumina, alkalis and the rarer elements. If the region is quiescent and all the magma solidifies in the...if about half way through crystallization, the region becomes 8 Rocks and the Processes That Formed...minerals), and temperatures were high enough, corundum and spinel may form, and this may be how ruby |  | | Journal (issue) | | Reviews Gem News ABOUT THE COVER: The varieties of corundum, especially ruby and sapphire, are among the most...gem materials currently being mined: emerald, corundum (most importantly, ruby), and spinel. Intensely...Hunza Valley, specimenand gem-quality crystals of corundum and spinel occur i n beds of marble enclosed in...Tahirlzheli (1969)for a detailed geological map of the region. PART I THE SWAT VALLEY EMERALDS In 1958, goatherds...least four such episodes have been noted. In the region of the Mingora mines, the schists are almost vertical |  | | Report (volume) | | Fossil molluscs from the Oil-Measures of the Dawna Hills, Tenasserim (Pis. vi, vii) LV, 97-104. 2 REOOEDS...freshwater fish from the Oil-Measures of the Bawna Hills (PI. xiv & figs.) . . . Atjdbn, J. B.— Note on the...Vaushtikb— 1. On the occurrence of gold in the district of Singhbbum.II, 11-14. 2. On the occurrence of...of argentiferous galena and copper in the district of Manbhum, south-west frontier of Bengal . . . HI...Rubios in the Kaehin Hills, Upper Burma . XXXVJ, 164-170. 2. Jadeite in the Kacliin Hills (Pis. xxxvxxxix |  | | Book | | Fraquet Beryl John Sinkankas and Peter G. Read Corundum Richard W. Hughes Garnet John D. Rouse Jet ...Topaz D. B. Hoover Butterworths Gem Books Corundum Richard W. Hughes Executive Vice President, Asian...in Publication Data Hughes, Richard, W. Corundum. 1. Corundum I. Title 553.8'4 ISBN 0-7506-1006-9 Library...Cataloging in Publication Data Hughes,Richard. W. Corundum/Richard W. Hughes. p. cm.-{Butterworths gem books)...Bibliography: p. Includes index ISB!'i 0-7506-1006-9: 1. Corundum. I. Title. II. Series. QE391.C9H84 1990 553.~c20 |  | | Report (volume) | | to continue the survey of the Khasi and Jaintia Hills and returned on the 23rd April 1923. Posted in the...inspect the mica deposits in the South ICanara district (Madras Presidency), and returned to headquarters...have been added to the collections Vizagapatam district. Presented by (1) Apatite rock from the Mr. V...economic importance includes abrasive minerals, (corundum and garnet), asbestos, barytes, borax, calcium...Selwa Mines. Presented by the Central Indian Mining Oo., Ltd. Cassiterite and wolfram from the Hermyingyi |  | | Report (volume) | | Notes on an Upper-Triassic Fauna from the Pishin District, Baluchis¬ tan, collected by E. Vredenburg in... 22 Report on the Coal Occurrences in the Foot-hills of Bhutan. By Guy £. Pilgrim, B.Sc., Deputy Superintendent...from Talevadi, Belgaum District, and on Gibbsite from Bhekowli, Satara District. By L. Leigh Fsrmor, A...*172 On Explosion Crsters in the Lower Chindwin District, Burma. Part 4. The Jaipur and Nazira Coal-fields...239 The Kabat Anticline^ near Seiktein, Myingyan District, Upper Burma. By £• H. Pascob, M.A., B.Sc., Assistant |  | | Report (volume) | | Couison. Octahedral Pyrite Crystals from the Kohat District, North-West Frontier Province. By A. L. Couison...periphery, becoming irregular towards the central region. X 16. Fig. 3.—Vertical section through a megalospheric...Bombay .... Clays; Garo Hills, Assam ; Manbhum, Bihar and Orissa . Coal: Garo Hills, Assam; Jharia, Bihar...Bankura, Bengal; Manbhum, Bihar and Orissa ...... Corundum : Mangalore, Madras ..... Engineering and Allied...Burma Circle.* 82-87 56 Myitkyina district. 83 56 Thayetmyo district. 84 56 Mogok Stone Tract. 85 58 Southern |  | | Report (volume) | | Fossil Molluscs from the Oil-Measures of the Dawna Hills, Tenasscrim. By N. Annandale, C.I.E., D.Sc., F.A...--Cloolo;,dcaI map of part of tlie Khasi and Jaintia Hills. Seale V mile. PLATE 28.—Map of part of the Shaliganga...rubies, sappliires and spinels of the Mandalay district and Sagyin Hills, examining the coal outcrops of Mithwc...around llaflong in Assam ; n journey to the Palni Hills; a surv(‘y of various glaciers in Kashmir; a survey...oil anti coal fitdds of Upper Assam and the Naga Hills. In 1903-04 he made his first actjuaintaiice with |  | | Report (volume) | | (Geology of the country near Ngahlaingdwin, Minim District,Burma. By Dr. (Vsare ]k)rro (^^ith (Geological...Kasliniir. PLATE 580.—Maj) of pait ol llio Malabar district sliowiioj Iho vjlbmo^ Kiittijipnrani 'rrikkanapiirani...N;j.ahlaingdwiu. PL.iTE 581.— l.--I)ovoiiian in hills opposite Itoshun. (diitral. 2.—l)o\oiiian on Korai;l)...fauna of the lowT-r Miocene f)eds of the Jlugti hills in Baluchistan' affords the best ])roof at present...Vertebrate fauna of tlie Uaj series in tlie Bugti hills and the Punjab, Pal. Indica, new series, vol. IV |  | | Book (volume) | | Romances unrepresented in Malory. J. M. Gr. Mandalay. Author of Burma; ^ C.B., C.M.G., C.V.O. Major-General...Pastaza. The natural resources of this extensive region are incalculable, but their development has been...manufactured to some extent. The natural outlet of this region is the Amazon river, but this involves 2500 m....was appointed temporary governor-general of the region of the Lower Volga, to combat an outbreak of the...Scheldt. Thus the kingdom roughly comprised the region watered by the Moselle 9 and the Meuse, together |
|
