Spring 2018 - Volume 54, Issue 1

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Editorial

The Beauty of Natural Green Diamonds

Duncan Pay, Editor-in-Chief


An overview of the Spring 2018 Gems & Gemology content.
 

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Articles (3)

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Regular Features

Lab notes

Lab Notes

The latest advances and findings from GIA laboratories.

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Micro-World

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

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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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Book Review

Reviews

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

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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