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

From G&G Summer 2024; article by Nathan Renfro et al.
Phoebe Shang, November 22, 2024

Fall 2024 G&G Available Now

Erica Zaidman, November 1, 2024

An overview of the Fall 2024 Gems & Gemology content.

Summer 2024 G&G Available Now

Erica Zaidman, August 2, 2024

An overview of the Summer 2024 Gems & Gemology content.

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

James E. Shigley, July 10, 2024

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

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

Andy Shen, June 14, 2024

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

Spring 2024 G&G Available Now

Erica Zaidman, May 3, 2024

An overview of the Spring 2024 Gems & Gemology content.

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