Organizer : GAHK and HKJMA
Topic :   「品味珠寶人生」 講座
Date :   2024/11/30 - 2024/11/30
Detail

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- JMA Hong Kong International Show 2024(Booth No:1EF11) (2024/11/28)
  Detail
- NOTICE OF ANNUAL GENERAL MEETING 2024 (2024/09/23)
  Detail
Special Announcement
Contact GAHK

The Gemmological Association
of Hong Kong Ltd

P.O. Box 97711, Tsim Sha Tsui,
Kowloon, Hong Kong

Tel. (852) 2366-6006 / Fax. : (852) 2153-9673

E-mail : info@gahk.org
 

 

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GAHK Journal 2021

Table of Contents
A Word from the Editors
GAHK Board of Directors
Letter from the Chairman
A calendar of events organised by GAHK
Obituaries
Tortoiseshell
Book Reviews
A Discussion on Gambling on Fei Cui Rough
New Directions: An Announcement from GIT on their work using AI as a New Tool for the Origin Determination of Gemstones
The Value of a Gemstone’s Name
Made You Look • The Challenges of Identifying Inclusions at First Sight
A Comparison of the Structural and Chemical Characteristics of Lapis Lazuli and its Imitations
Gemmological Characteristics of a “New Style” Bleached, Filled and Dyed Fei Cui that differs from Traditional Simulants
Market Alert: Dyed & Heat Treated Fei Cui in Solid Colours of Yellow & Red
Radioactivity Detection & Analysis of a group of gemstones
Gemmological & Mineral Characteristics of Madagascar’s “Ocean Jasper”
A Brief History of Pearl Testing through the pages of Gems & Gemology

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