Winter 2015 - Volume 51, Issue 4

All Issues

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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2015

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