No upcoming events.


- 44th GAHK Anniversary Dinner (2023/12/07)
- Invitation - JMA Hong Kong International Show 2023(Booth No:1CON2-1) (2023/10/26)
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 :



GAHK Journal 2016

Table of Contents
A Word from the Editors
GAHK Board of Directors
Letter from the Chairman
A calendar of events organized by GAHK
Obituaries: William “Bobby” Mann & Stanley Lau Chin-ho
Golden South Sea Cultured Pearls
Visit to Mogok, Myanmar
Book Review: Fei Cui Jade - A Stone & A Culture
Zircon - A Very Old Gemstone
Preliminary Study in Colouration of Blue Amber
Introducing Hyperion: Inclusion Photos from Lotus Gemology
Identification of Dyed Golden South Sea Pearls using UV-Vis and PL Tests
Cleaning, Washing and Waxing in the Processing of Fei Cui
Gemmological Features & Colouration of Red Jasper from Qinghai Province, China
10 Years of Laser Ablation - ICPMS Applied in Gem Labs
Gemmological Characteristics & Significance of “Ink & Wash” and “Black Rooster” Fei Cui
Grossular Garnet - A Market Update
Composition & Characteristics of Hetian Nephrite from Qiemo in Xinjiang, China
“Geuda” - A Market Update on this Unborn Sapphire

News | Event | Background / Foundation | Gem Test | Member | Sitemap
Powered by GAHK Webmaster - 2018 All rights reserved