Gemology School and Gem Laboratory - Asian Institute of Gemological Sciences - AIGS

"MOGOK" THE VALLEY OF

PRECIOUS STONES

Secrets Of The Gem Trade

ท่องโลกภายในทับทิมและแซปไฟร์

GEMSTONES

Terra Connoisseur

Gemstones

Indispensable Guide to Gem and
Jewelry Shopping in Thailand.

รู้ไว้ไม่มีพลาด

Fei Cui Jade

The Design & Creation of Jewelry

Dictionary of Gemstones & Jewelry

Gem Identification (Chinese)

Geographic Origin Determination

of Colored Gemstones

ASTERISM GEMS WITH A STAR

Colored Stone & Mineral Highlights

Sri Lanka & Burma Gems Book

ROCK CREEK SAPPHIRES:

A KALEIDOSCOPE OF COLOR