Intarsia Jewelry Box by Nicolai Medvedev and Susan Helmich

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Gold Granulation by Zaffiro

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Blue Opal from Chile

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Beryl from Newfoundland, Canada

Beryl and emerald specimens from a recent discovery in Newfoundland are examined at GIA.

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Guatemalan Jadeite Jade: Rough and Finished

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Mineralogy and Geochemistry of Turquoise from Tianhu East, Xinjiang, China

Examines turquoise from northern China and identifies a geographic origin indicator to distinguish it from other Chinese sources.

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Beyond Beauty: A Garnet Necklace Decoded

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Nanoscale Techniques for Characterizing Gemstone Coatings: A Case Study on Synthetic Moissanite

Provides a basis for analyzing colored coatings on a variety of polished gemstones.

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Historical Relics Repurposed into Jewelry

Several jewelry designs incorporated historical artifacts at the Tucson gem shows.

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Tucson 2024 Overview

An overview of the 2024 Tucson gem shows.

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“Ice Jade” from Guatemala

Characterizes a translucent variety of jadeite jade from the Morales mine in Guatemala.

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An Exceptional Cat’s-Eye Emerald

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