The Gemmological Association of Hong Kong

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- Invitation - JMA Hong Kong International Show 2023(Booth No:1CON2-1) (2023/10/26)
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	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

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