News & Articles

This collection of 50 tourmalines showcases the gem’s wide-ranging color palette. Photo by Robert Weldon; courtesy of Bruce A. Fry.
G&G in a Flash: Micro-Features of Tourmaline

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Gems & Gemology Fall 2024 In Brief
Fall 2024 G&G Available Now

An overview of the Fall 2024 Gems & Gemology content.

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Gems & Gemology Summer 2024 In Brief
Summer 2024 G&G Available Now

An overview of the Summer 2024 Gems & Gemology content.

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Review of Gempedia: A Comprehensive Glossary for Gemstones and Gemmology, by Rui Galopim de Carvalho
Book Review: Gempedia: A Comprehensive Glossary for Gemstones and Gemmology

Review of Gempedia: A Comprehensive Glossary for Gemstones and Gemmology by Rui Galopim de Carvalho.

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1.23 ct, unheated rough from Ilakaka, Madagascar
The Nature of the Be-Nb-Ta Containing Cloud in Natural Madagascar Blue Sapphire – An FIB/HRTEM Study

Investigates the nature of nano-inclusions of elements such as niobium, tantalum, and tungsten in the milky regions of natural beryllium-bearing sapphires.

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Gems & Gemology Spring 2024 In Brief
Spring 2024 G&G Available Now

An overview of the Spring 2024 Gems & Gemology content.

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