GEMMOLOGY CANADA Electronic Magazin of the Canadian Institute of Gemmology ISSN 0846-3611 Editor J. Wolf Kuehn

Web www.cigem.ca

Gemmology Canada is publishing the monthly C.I.Gem Newsletter and selected articles written by students of the Canadian Institute of Gemmology (C.I.G.) in fullfillment of their "Accredited Gemmologist (C.I.G.)" diploma requirements and by other contributors. The articles are posted here in their original form as submitted and have not been altered; they express the opinions of their authors and are not scientific papers. You are permitted to link or copy the content of an article but must give full credit to the author or this website (Gemology World - http://www.cigem.ca).

Visual Gemmology - A Basic Approach , by Donald G. Coughlin

Gemología Visual- Una Aproximación Básica, (in Spanish) by Donald G. Coughlin, 242k

More about Visual Gemmology , by Donald G. Coughlin, 42k

UV-LEDs - Setting a New Standard for Fluorescence Observations, by Wolf Kuehn (from GIT 2008, Bangkok, Thailand Proceedings 2.5 Mb - html

Poster Session at 2nd International Gem and Jewelry Conference (GIT 2008)- Download poster 102 Kb

Electron beam enhancement of colorless Topaz, by Noomie Lewinson, A.G. (C.I.G.), Gilleleje, Denmark 1.0 Mb - "Zapped" Blue Topaz (pop-up window)

Jadeite - a historical treatise, by Kim Be Howard, A.G. (C.I.G.) (long document, 85 pages), 312 k

Jade - Nephrite and Jadeite, by Jessie H Y King, A.G. (C.I.G.), Vancouver, B.C., 7.9 MB

A Brief Review of Gemstone Optical Properties From a Lapidary's Perspective, by Sandrine Kunz, A.G. (C.I.G.), Geneve, Switzerland, 42k

Discussing the Identification of Rough Diamonds, by Kelly Ross, A.G. (C.I.G.), Edmonton, Alberta

Crystal Opal - a 360 degree discussion, by Colin Sawrenko, A.G. (C.I.G.), Warman, S.K., 2.8 MB

Garnets, by Rachel McNally, A.G. (C.I.G.), Vancouver B.C., 3.9 MB

Diamond, by Kristen Lewis, Diamond Expert (C.I.G.), Delta B.C., 4.5 MB

Ruby: The Gem of Kings, by Kelly Gossen, A.G. (C.I.G.), Langley, B.C., 6.3 MB

Opal Formation, by Karen Seminchuk, A.G. (C.I.G.), Vancouver, B.C., 4.5 MB

The Mexican Opal, by Carmen Ramirez, A.G. (C.I.G.), Queretaro, Mexico

Gemstones of British Columbia , by Stephen Bertalan, A.G. (C.I.G.)

An Introduction and History of Tourmaline, by Rona Johnston, A.G. (C.I.G.)

The Critical Elements of Tourmaline Evaluation, by Marianne Odber, A.G. (C.I.G.)

Pearls - more than a Gemstone, by Shirley Ford-Bouchard, A.G. (C.I.G.)

Diamond synthesis and the market place, by Nicholas J Houghton, A.G. (C.I.G.), Vancouver, B.C., 2.7 MB

Alexandrite, Variety of Chrysoberyl, Andrey Tolmachev, A.G. (C.I.G.), Vancouver, B.C., 2.7MB

Ruby & Sapphire of East Africa, Beatrice Faradji, A.G. (C.I.G.), Dar es Salaam, Tanzania 5.5 MB

Diamonds, a report by Catherine Trueman, A.G. (C.I.G.), Whistler, B.C., 4.9 MB

Fracture Filling of Diamonds, by Janina Skawinska, A.G. (C.I.G.), Winnipeg

Famous Fancy Diamonds: a brief history, by Linda Crane, Winnipeg

Sri Lanka - A Gemstone Buyer's Dream, by Donald G. Coughlin

A journey to Burma's jade mines/Part1, by R. Hughes et alteri

A journey to Burma's jade mines/Part2, by R. Hughes et alteri

Death of the Thai Ruby, by Richard W. Hughes

Response to Death of the Thai Ruby, by Scott Montgomery

Life during Wartime, by Richard W. Hughes

Gem Deposits of Brazil - a Powerpoint Presentation by Kalil K Elawar, edited by J. Wolf Kuehn, 1.5 Mb

More News are to be found in The News Bulletin section. Please write your comments to the Webmaster/Editor.

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