Spring 2020 - Volume 56, Issue 1

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Editorial

Dive Into Spring: Investigations into Corundum and Beryl Color, Jade Artistry, the Chivor Emerald Mine’s History, and Swiss Rhodonite…

Duncan Pay, Editor-in-Chief

An overview of the Spring 2020 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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Micro-World

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

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Diamonds From the Deep

Explores the role of diamonds in our understanding of the natural world.

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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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THE DR. EDWARD J. GÜBELIN

MOST VALUABLE ARTICLE AWARD

Geographic Origin Determination of Blue Sapphire
Aaron Palke, Sudarat Saeseaw, Nathan Renfro, Ziyin Sun, and Shane McClure

Decade of Ruby from Mozambique: A Review
Wim Vertriest and Sudarat Saeseaw

Gemstones in the Era of the Taj Mahal and the Mughals
Dona Mary Dirlam, Chris L. Rogers, and Robert Weldon