Willemite in Topaz
A colorless topaz from Nigeria hosts the only known example of willemite as an inclusion in topaz.
Fall 2021 G&G Publication Information
This document provides the publication information for Gems & Gemology
Iridescent Botryoidal Growth in Untreated Akoya Pearl
An untreated akoya pearl displays an unusual iridescence caused by subsurface growth.
GIA Library and Museum Facebook Group
The GIA Library and Museum launch a Facebook group to encourage lively discussion among bibliophiles, museum curators, and gem enthusiasts.
Mabe Cultivation in Mayotte
Laboratoire Français de Gemmologie (LFG) receives several assembled cultured blister samples from Mayotte for gemological characterization.
Pink Aventurine Quartz with Alurgite Inclusions
Quarterly Crystal: Fibers and Rods in Euclase
Apatite in Blue Sapphire
A Sri Lankan star sapphire delights with an apatite crystal floating over a cloud of rutile silk.
Fascinating Fluid Inclusions in Chinese Ruby
Fluid inclusions resembling a snake and a fish are discovered in two rubies from the Yuanjiang deposit in China.
Parisite Crystals in a Colombian Emerald
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