Fei Cui: Dragon & Phoenix Dancing - Master Carver, Zhou Xiang
Close-up of a diamond ring casting a shadow with partial text visible.

GAHK: the Journal of the Gemmological Association of Hong Kong 2024 – the 45th Anniversary Copy!

The 45th anniversary of the GAHK Journal is now available through the GAHK.org website.

So many great feature stories in this issue including the Heat Treatment of Demantoid Garnet, The Importance of Geographic Origin of Ruby, Gemmological Features of Pink and Purple Diamonds from Siberia, and a panel review on the Jewellery Industry in Hong Kong!

Portrait of a man with glasses and short black hair against a plain background.
Portrait of a man with glasses and short black hair against a plain background.

翡翠雕刻工è—共賞
Appreciation of Fei Cui
Master Craftsmanship
圖片åŠè³‡æ–’由奥岩æä¾›
Pictures and information supplied
by AO Yan

18 概述天然鮒魚çç çš„寶石學特性
An Overview of the Gemmological
Characteristics of Natural Abalone Pearls
Cheryl Ying Wai AU Lubna SAHANI

27 書評與簡介
Four Book Reviews & Introductions
GEMPEDIA
Author: Rui Galopim de Carvalho
Reviewed by: Maggie Campbell Pedersen
Broken玉 Bangle
Authors: Liu Shang-I (Edward)
Richard W. Hughes
Zhou Zhengyu (Adam)
Kaylan Khourie
Reviewed by: Anne E. Carroll Marshall
The Chatham Legacy – An American Story
Author: Thomas H. Chatham
Reviewed by: Gary Roskin
Star Gems – A Fascinating World
Introduced by author: Martin P. Steinbach

32 巴基斯å¦çš„æµ·è—寶
Aquamarine of Pakistan
钳志强 CHAN Chi Keung

45 馒港ç å¯¶è¡Œæ¥­åŠå‡ºå£çš„ç¾æ³å’Œå±•æœ›
How is the Jewellery Industry in Hong Kong
& its Export Markets – An Interview
張敬猷 Louis CHEUNG
王æ¾é¶´ Dominic Wong
盧巧堃 Cassandra LO
钳倩蒹 Catherine Chan
æŽæ‰¿å…‰ Richard SK LEE
朱倩儀 Christine Rain CHU

52 富å«äºŒæ°§åŒ–硅的多邊形硅酸錳
Silica-rich Polygonally Shaped Manganosilicate
Seung Kwon LEE æŽæ‰¿æ¬Š

58 紅寶石產地的é‡è¦æ€§
The Importance of Geographic Origin of Rubies
馬永康 MA Yung Kang

64 翠榴石的加熱蒕ç†å’Œè­˜åˆ¥æ¨’準探討
Heat Treatment of Demantoid Garnet and
Possible Identification Criteria
Aaron C. Palke

74 如何正確地看待市場上銷售的
å±åœ°é¦¬æ‹‰ç¿¡ç¿ ï¼ˆå±æ–’）æˆå“？
How to look upon the Guatemalan Fei Cui
on the market correctly?
æ­é’½ç§‹çœ‰ Mimi OU YANG 范肇錦 Eddie FAN
å¾å¥è¯ Tommy TSUI åš´è» Humphrey YEN

80 西伯利亞和阿爾漢格爾斯克地å€
的粉紅色和紫色钽石的寶石學特徵
Gemmological Features of Pink and
Purple Diamonds from Siberia and
Arkhangelsk Region
Yuri Shelementiev Elizaveta Savina
Olga Yarapova Galina Kriulina

93 簡易æ­æ³Šç”¢åœ°åˆ†è¾¨æ–¹æ³•
澳洲åŠéžæ´²åŸƒå¡žä¿„比亞大ä¸åŒ
Handy Methods to determine the
Geographic Origin of Opal
Differences between Australian and
Ethiopian Opals
çŽ‹ä¼Šé” Eddy Wong

Tap here to go directly to the GAHK website and start reading your copy of the Journal today!

Roskin Gem News Report