Gray Spinel: A New Trend in Colored Stones
In recent years, the colored stone world has seen a growing appetite for unusual colors.
Jeff Hapeman: Stories from a Gem Cutter
Jeff Hapeman of Earth’s Treasury (Westtown, Pennsylvania) loves a gemstone with a good story.
Thoughts on the Chinese and Japanese Gem Markets
Shahin Aboosalih of SR Trading shares his insights on the gem and jewelry industry.
Trapiche Emerald from Colombia
The examination of a nearly complete trapiche emerald crystal–which are difficult to obtain–is consistent with the findings of previous studies.
CVD Layer Grown on Natural Diamond
A composite of synthetically grown and natural diamond was recently identified by the Carlsbad laboratory.
Conversation with Color Source Gems
Moshe and Rachel Chalchinsky of Color Source Gems talk about current trends in the gem and jewelry trade.
Book Review: Narrative Jewelry: Tales from the Toolbox
Review of Narrative Jewelry: Tales from the Toolbox by Mark Fenn.
Spring 2019 G&G Publication Information
This document provides the publication information for Gems & Gemology
Jewelry Glossary Project Survey
Moonstone Jewelry
The adularescent gem moonstone was prominently featured in this year’s Tucson shows.
Sapphires from Colombia
Unheated material from a sapphire deposit in southern Colombia is examined in GIA’s Carlsbad lab.
Condor Agate from Argentina
A vibrant orange and yellow agate displays interesting concretions in its core.
“Double Bubble” Multiphase Inclusion in Beryl
Grandidierite Inclusions in Sapphires
Grandidierite, an unusual inclusion in sapphire, independently encountered by two laboratories.
Quarterly Crystal: Orpiment in Barite
Sapphire Inclusion with Rutile “Silk” in a Burmese Star Sapphire
Illumination techniques reveal a remarkable sapphire inclusion within a Burmese star sapphire.
Star-Like Growth in Natural Yellow Sapphire
A natural yellow sapphire features a distinctive star-like graining pattern.
Accredited Gemologists Association (AGA) Conference
A report from the Accredited Gemologists Association (AGA) Conference, held in Tucson, Arizona, on February 6, 2019
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