Winter 2015 - Volume 51, Issue 4

All Issues

the quarterly journal of the gemological institute of america


Editorial

Garnets, Sapphires, Opals, and Tarnish on High-Purity Gold

By Duncan Pay, Editor-in-Chief


An overview of the Winter 2015 Gems & Gemology content.

Read More

Articles (5)

View All Articles In This Issue

Regular Features

Lab notes

Lab Notes

The latest advances and findings from GIA laboratories.

View All (9)
Gem News

Gem News International

Global coverage of gem sources, notable new gem materials, and recent industry developments.

View All (9)
VRL 216x122

Micro-World

An in-depth look at the hidden world of gem inclusions.

View All (6)
Book Review

Reviews

Your guide to the latest
gem and jewelry books
and other media.

View All (3)
Letters

Letters

G&G readers respond.

View All (1)
THE DR. EDWARD J. GÜBELIN

MOST VALUABLE ARTICLE AWARD

SP15 Lucas MVA 130x130

Sri Lanka: Expedition to the Island of Jewels
Andrew Lucas, Armil Sammoon, A.P. Jayarajah, Tao Hsu, and Pedro Padua

SP15 Hsu MVA 130x130

Exploring the Chinese Gem and Jewelry Industry
Tao Hsu, Andrew Lucas, Zhili Qiu, Mu Li, and Qingyuan Yu

SP15 Saeseaw MVA 130x130

Three-Phase Inclusions in Emerald and Their Impact on Origin Determination
Sudarat Saeseaw, Vincent Pardieu, and Supharart Sangsawong