Winter 2015 - Volume 51, Issue 4

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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.

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Articles (5)

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Regular Features

Lab notes

Lab Notes

The latest advances and findings from GIA laboratories.

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Gem News

Gem News International

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

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Micro-World

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

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Book Review

Reviews

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

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Letters

Letters

G&G readers respond.

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THE DR. EDWARD J. GÜBELIN

MOST VALUABLE ARTICLE AWARD

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

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

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