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| ARTICLES 64 Kashmir Sapphire David Atkinson and Rustam Z. Kothavala 77 The GEM DiamondMaster and the Thermal...Queretaro, Mexico: Occurrence and Inclusions John I. Koiv~da,Chuck Fryer, and Peter C . Keller NOTES A N...Stockton and D. Vincent Manson Investigation of a Cat's-Eye Scapolite from Sri Lanka K. Schmetzer and H. Bank...the fine carvings and other gem materials o n display at the recently expanded and remodeled Deutsches...Gerhard Becker, Idar-Oberstein. Photo " 1983 Harold and Erica V a n Pelt-Photographers, Los Angeles. Composition |
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| Bemainty Sapphire Deposit in Madagascar Faces Multiple Challenges 46 54 62 66 72 New Sources and New Challenges...& Jewelry Industry 42 Sapphires from Bemainty and Beyond 66 12 32 Spring 2017 ISSUE 35 Identification...Inclusion Features Resembling Those of Sapphires from Kashmir A publication of the International Colored Gemstone...page 22. (Cover photos courtesy of Vincent Pardieu and SSEF. Cover design by Cynthia Unninayar) 78 InColor...Review In Quest of the Indescribable − The Artistry and Life of a Gem Carver 72 78 Auction Watch How Color |
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| McClure, and Joachim M e i ~ z h a u s e n Diagnostic Features and Heat Treatment of Kashmir Sapphires Rolf...Rolf Schwieger NOTES; AND NEW TECHNIQUES 282 An Investigation of a Suite of Black Diamond Jewelry Robert...C. Kammerling, Robert E. Kane, John I. Koivula, and Shone P. McClure "Emeraldolite": A New Synthetic...Beryl Dominiifiie Robert, E m m a n u e l Fritsch, and John I. Koivula REGULAR FEATURES 294 Gem Trade...approximately 41 ct, it is also one of the largest, and, to some, the finest, natural-color green diamonds |
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| LXXVI.VI 625 RECORDS OF THE GEOLOGICAL SURVEY OF INDIA °l II VOLUME LXXVI A* BULLET1NS OF ECONOMIC MINERALS... IYER Published by order of the Government of India 1942 CALCUTTA: Sold at the Central Book Depot,... add at the Office of the Geological Survey of India, 27, Ghowefkchee Road. DELHI: Sold at the Office...GEOLOGICAL SURVEY OF INDIA. RECORDS. Records of the Geological Surrey of India : These brochures were...were first issued in 1868 and hare continued to be utilised for the publication of professional papers on |
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| N A L I SSU E N 0. 20, JA N UA RY 20 13 KASHMIR SAPPHIRE / CVD SYNTHETIC DIAMONDS / PEARLS FROM MICRONESIA...before and also much less expensive (see News clients, about our services and activities and most importantly...latest achievements and findings in gemstone and pearl research. Inc. a highly reliable and effective shipping...shipping company and together we can now offer you door-to door service at unbeatable prices. Secondly,...Appendix. This is only available for exceptional items and white on a few pages, to what since last year is |
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| Read Amber Helen Fraquet Beryl John Sinkankas and Peter G. Read Corundum Richard W. Hughes Garnet...Rouse Jet Helen Muller Pearls: natural, cultured and imitation Alexander E. Fam Quartz Michael O'Donoghue...any form or by any means (including photocopying and recording) \\ithout the written permission of the...work may result in both a civil claim for damages and criminal prosecution. This book is sold subject to...to the Standard Conditions of Sale of Net Books and may not be re-sold in the UK below the net price |
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| GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN OFFICERS AND COUNCIL President: *Sir Frank Claringbull, Ph.D....illustrationsofofgems, gems, deposits and mining operations deposits and mining operations on reverse side...From only £13.50 plus postage plus postage and packing and packing l b order your Map please use the... Spanish, German, French, Italian and German, French, Italian and Portuguese Can be overprinted with...with •company Can be logo, overprinted with name and and company logo, name address • Thematic map Editor: |
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| Charts and More Available Through the GIA Store Visit our website to order. It’s quick, easy and secure...Moses, and James E. Shigley An overview of the geographic origin complexities facing the gem and jewelry...464 Geology of Corundum and Emerald Gem Deposits: A Review Gaston Giuliani and Lee A. Groat Over the last...state of our knowledge of the geology and genesis of gem corundum and emerald deposits. p. 569 512 A Review...Jennifer Stone-Sundberg, Ziyin Sun, Nathan D. Renfro, and Aaron C. Palke Geographic origin determination relies |
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| Vol. VI No.3 July. 1957 THE JOURNAL OF GEMMOLOGY and PROCEEDINGS OF THE GEMMOLOGICAL ASSOCIATION OF GREAT...1931 as the Gemmological Association) OFFICERS AND COUNCIL Past Presidents: Sir Henry Miers, D.Sc.... F.G.A. Librarian: H. Wheeler, F.G.A. Secretary and Director of Examinations : G. F. Andrews. Offices:...R I T A I N Vol. VI No. 3 JULY 1957 RUBY AND SAPPHIRE by ROBERT WEBSTER, F.G.A. I T is often difficult...that ruby, with its red colour, a n d the blue sapphire are one a n d the same mineral—corundum, a n d |
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| January, 1966 Vol. 10 No.1 THE JOURNAL OF GEMMOLOGY and PROCEEDINGS OF THE GEMMOLOGICAL ASSOCIATION OF... Herbert Stnith, C.B.E., M.A., D.S.., OFFICERS AND COUNCIL Prest dent : Sir Lawrence Bragg, F.R.S. Vice-Presidents:... F.G.A. Librarian: H. Wheeler, F.G.A. Secretary and Director of Examinations : G. F. Andrews Offices:...Canadian Genunologieal Association Rhodesian GelU and Mineral Society THE JOURNAL OF GEMMOLOGY A N D...Geological Survey of India ABSTRACT D IFFERENT types of inclusions in sapphires from Kashmir and aquamarines |
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| - by richard w. hughes I - ,=: CJ? UBY & SAPPHIRE is a journey into one of mankind's most fascinating...But Ruby & Sapphire is just such a book-a rare combination of face and fun, the pertinent and che peculiar...peculiar. Open Ruby & Sapphire and you seep into a secret world where, with each page turned, a new adventure...where pigeon's-blood rubies are pried from both soil and central government control. Marvel over India's maharajahs...meat were cast co trap tubies. And ascend to the lofty snows of Kashmir, home of storied blue-velvet sapphires |
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| CLASSIC MINERAL LOCALITIES OF THE WORLD Asia and Australia = _ |) VieBAtO TATA JARS LIPOW Si....“ CLASSIC MINERAL LOCALITIES OF THE WORLD Asia and Australia Philip Scalisi David Cook VAN NOSTRAND...photocoyping, recording, taping, or information storage and retrieval systems—without permission of the publisher...Asia and Australia. Bibliography: p. Includes index. 1. Mines and mineral resources—Asia. 2. Mines and...and mineral resources—Australia. 3. Mines and mineral resources—Soviet Union. II. Title. TN99.S28 553° |
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| Gemmological' Association and Gem Testing Laboratory of Great Britain Gemmological Association and Gem Testing Laboratory...for metasomatic skarn formation by E.J. Gübelin1 and A. Peretti2 1 2 Lucerne GRL Gemresearch Laboratory...solid solutions) and varieties of spinel, such as green Mg-Al-spinel, spinelhercynite and spinel-hercynite-gahnite...skarns are considered to be the host rocks for sapphire formation. Based on the different generations...sapphires, various generations of solid inclusions and the absence of hibonite inclusions, it is concluded |
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| 2022 Spinel from Tajikistan Cleopatra’s Emerald Mines DaylightFluorescent Hyalite from Namibia Gahnite...Colore Abstracts | Dubai Diamond Conference Summary and Highlights | Gemmological Society of Japan 2021 Annual...Annual Meeting Abstracts | The Gemstones and Jewellery Community Platform Reports | Lab-Grown Diamond...Pamir Mountains of Tajikistan, has a long history and has been set into some important jewellery pieces...old-cut cushion diamonds (1.30 ct total weight) and 272 pavé diamonds. Courtesy of IVY New York. ARTICLES |
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| white pages in a very basic layout, the market now and in future. As we live in an ever-changing world,...to explain to you in detail our position and our findings and activities at SSEF, presented to you in...always stay at the forefront of gemmological research and consequently, to be able to offer you services at...successful for SSEF, confidence and integrity. with more clients, new services and wider outreach than ever...are also happy to see that the international gem and jewellery market has I hope that the following pages |
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| Cover image: Imperial topaz, diamond, and gold pendant by Brazilian brand Vianna. CONTENTS 5 Foreword...Mining 18 Beauty and Rarity – A Quest for Vietnamese Blue Spinels 18 Ethical Mining and Fair Trade 26...Spring/Summer 2010 Auction Season 26 Market Trends and Trade Fairs 33 Colored Gemstones Abound at the Summer...Vegas Special Section: Trends & Colors in Jewelry and Fashion 40 Colors for Fall 2010 44 Actively Orange...Rajiv Jain, India Susie Kennedy, Kenya Phuket Khunaprapakorn, Thailand Kamal Kothari, India Bryan E. Pavlik |
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| ssef.ch SSEF RELOCATION / COLOUR TERMS / NEW SAPPHIRE SOURCES DIAMOND RESEARCH / SPINEL / PEARL ANALYSIS...in the past few months again the most outstanding and Facette, summarizing all major achievements the...Gemmological intriguing gems, pearls, and jewels offered in the trade and at auction Institute SSEF has accomplished... but also and more worldwide, we at SSEF feel very privileged, as we do not only see and importantly...coloured gems, and pearls. analytical equipment to uncover their most hidden secrets of beauty and to challenge |
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| WINTER 2009 PAGES 235– 312 VOLUME 45 NO. 4 Ruby-Sapphire Review Nanocut Plasma-Etched Diamonds Chrysoprase... EXPERTISE THAT SPREADS CONFIDENCE. AROUND THE WORLD AND AROUND THE CLOCK. Because Public Education Happens...at the Counter. GIA launches Retailer Support Kit and website ISRAEL 5 : 0 0 P M Cutter checks parameters...KONG 10 : 0 0 P M Wholesaler views grading results and requests additional services online at My Laboratory...inscribe a diamond and issue a GIA Diamond Dossier® A $97.00 value, shipping and handling extra. All |
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| Petsch, and Tan Kanis Russian Demantoid, Czar of the Garnet Family W m . Revel1 Phillips and Anatoly...Johnson, Robert C. Kammerling, Dino G. DeGhionno, and John I. Koivula REGULAR FEATURES Gem Trade Lab Notes...Mountains, demantoids were esteemed by scientists and royals alike when first discovered in the mid-19th...are being made to revive the historical localities and explore for new ones. The second article in this...in Russia and reports on the current situation at the two main demantoid districts, north and south of |
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| Major Opals Exhibition World›s Largest Blue Star Sapphire Found in Sri Lanka Mining 20 16 The Pinks... Hope Spinel Sells For Record Figure Jewel of Kashmir Stand-Out Item at Sotheby’s Sale Trade Shows ...Hughes Managing Editor Albert Robinson Marketing and Sales incolor@gemstone.org Advertising Account Coordinator...www.gemstone.org G emstones, including diamonds and colored stones, are not a commodity, unlike gold...seen as a sign of wealth, success, power, fashion and value. As we all know, if there are no customers |
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| a novel service to our clients. diamonds and pearls, and is also filled with information about education...education at SSEF, new client services, and new products. The SSEF Facette, born as a four page typewritten...achievements at SSEF, has truly entered its twenties, and it seems to get stronger every year but also challenging...situation resulting in rather in weight, volume, and scientific content, always with the aim to capture... I wish you a very successful and exciting business year gemstone and jewellery testing services as |
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| THE GEOLOGIC AND GEOGRAPHIC OF PRECIOUS S¾•¾ OCCURRENCE STONES? H. B^ix.. "In themountains of...roughproductat the mine. No great accuracyis claimedfor them,and in the caseof someof the minor preciousstones,they...are rocksrather than minerals,and the fossil substances amber, jet and bone turquoise. RELATIVE PRODUCTION...thetotal,thediamond accountsfor 94.3 per cent.;and sapphire,amber,emerald,ruby, jadeite,turquoiseand opaltogetheranother4................................................ Sapphire ............................................. |
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| information about a summary of our recent activities and research. our options for gemmological education...numerous home office hours, have been very challenge and certainly has had a deep impact in all our personal...also in the way we all work in the jewellery trade and at gem laboratories. or successfully completed....protect your family and business in these accessible, our findings were published and announced to the...difficult times, and would like to express my heartfelt wishes, that the scientific articles and press releases |
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| Review|Atypical pearl culturing in P. maxima|Conflict diamonds and Cameroon| Diamond origin identification using fluorescence|Global...seminars|ColorCodex colour referencing system| GemeSquare and MyGemewizard apps|Gemewizard monitor calibration...Illinois, USA| Colourless forsterite from Vietnam|Sapphire from Ambatondrazaka, Madagascar| Colour-change...Account, Growth Technology, and Properties By Karl Schmetzer, H. Albert Gilg and Elisabeth Vaupel 416 Rethinking...Michael S. Krzemnicki and Laurent E. Cartier 430 Large 12-Rayed Black Star Sapphire from Sri Lanka with |
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| issue of the SSEF Facette, The traceability of gems and responsible sourcing is another important the annual...topic which has emerged in recent years in the trade and gained since a quarter of a century, it has definitively... conferences and meetings to contribute to this important issue. We and the trade, and is often referenced...publications. also felt that it is necessary to clarify and explain the many terms often used as buzzwords in...publication in the Journal of Gemmology is and research, and I am proud to say that in the past few months |
Kashmir sapphire mines, Pádar, Kishtwar district, Jammu and Kashmir, India