The quarterly journal of the gemological institute of america

EDITORIAL
GIA’s 2018 Symposium: Up and Away!
Susan M. Jacques
An overview of the Fall 2018 Gems & Gemology content.
Articles (7)

Colored Stones and Pearls
Abstracts of speaker presentations from the “Colored Stones and Pearls” session of GIA’s 2018 International Gemological Symposium.

Diamond Geology
Abstracts of speaker presentations from the “Diamond Geology” session of GIA’s 2018 International Gemological Symposium.

Diamond Identification
Abstracts of speaker presentations from the “Diamond Identification” session of GIA’s 2018 International Gemological Symposium.

Gem Characterization
Abstracts of speaker presentations from the “Gem Characterization” session of GIA’s 2018 International Gemological Symposium.

Gem Localities and Formation
Abstracts of speaker presentations from the “Gem Localities and Formation” session of GIA’s 2018 International Gemological Symposium.

General Gemology and Jewelry
Abstracts of speaker presentations from the “General Gemology and Jewelry” session of GIA’s 2018 International Gemological Symposium.

New Technologies and Techniques
Abstracts of speaker presentations from the “New Technologies and Techniques” session of GIA’s 2018 International Gemological Symposium.
Symposium Features


FUTURESCAPE FORUM
A recap of the high-powered panel from the Symposium's closing session.

THE DR. EDWARD J. GÜBELIN
MOST VALUABLE ARTICLE AWARD

Big Sky Country Sapphire: Visiting Montana’s Alluvial Deposits
Tao Hsu, Andrew Lucas, Robert E. Kane, Shane F. McClure, and Nathan D. Renfro

Colombian Emerald Industry: Winds of Change
Darwin Fortaleché, Andrew Lucas, Jonathan Muyal, Tao Hsu, and Pedro Padua

Characterization of Mg and Fe Contents in Nephrite Using Raman Spectroscopy
Xiaoyan Feng, Yong Zhang, Taijin Lu, and Hui Zhang
















































































































































































































































































































































































