News & Articles

Winter 2024 G&G Available Now

Erica Zaidman, February 7, 2025

An overview of the Winter 2024 Gems & Gemology content.

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.

Winter 2024 Issue

Fall 2024 Issue

Summer 2024 Issue

Spring 2024 Issue

News & Articles

Winter 2024 Issue

Fall 2024 Issue

Summer 2024 Issue

Spring 2024 Issue

News & Articles

You Might Also Like

Join Us atConverge

Learn About Education On Campus and Online

Explore GIA Laboratory Promotional Offers

Shop theGIA Store

Join Us at
Converge

Shop the
GIA Store