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

 

FULL VERSION

GAHK Journal 2018

Table of Contents
A Word from the Editors
GAHK Board of Directors
Letter from the Chairman
A calendar of events organized by GAHK
Sri Lankan Sapphire - Enhanced by Heat with Pressure
Guinness World Records of Hong Kong Jewellery Company
Current Trends in the Scientific Investigation of Fei Cui & the Teaching of Gemmology
Mini Ming Pearls ahead: a challenge for Akoya?
Behind the Silk Screen: A Surprise in a Star Ruby
Akoya Cultured Pearls with Corallium Species Bead Nuclei
The Art & Science of Reading Rough Jadeite Jade
A Study of Minerals Associated with Turquoise using Infrared Spectrometer and the Significance of their Identification (1)
Tourmaline Production in the Erongo Region of Namibia
Research on the Identification Characteristics of Organic Silicon Filling in Turquoise
Characteristics of the Structure of Colourful Jade (Caiyu) from Shilin, Yunnan, China
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