GAHK Journal 2008

2008 GAHK Board of Directors 4

Chairman’s Report 5

Association Activities 8

In Memoriam Grahame Brown (1936-2008) 10

Corundum of the Russian Far East 13

Gem Glass of Chzhurchzhen in the Russian Far East 19

Moonstone & Co.
A Brief Review of the Feldspar Group 25

Where are We Going?
Trends and Challenges in Gemmology
Now and in the Future 30

翡翠川蠟含量的定量測試方法研究 40

中國透閃石及透閃石玉的資源及分佈 47

石榴石的拉曼光譜研究 56

5000 Years of Gemmology 63

寶石學的上下五千年 63

Colour-change Beryl from Brazil 71

Charoite - A Champion among Mineralogical
Discoveries in the Second Half of the 20th Century 77

高溫擴散法改色低品質藍寶石工藝改善研究 83

The Principles of the Leichart Opal Grading System 1.0 93