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Pyrope garnet with metal sulfide inclusion
Metal Sulfide in Pyrope

Analysis reveals a surprising component to a metal sulfide inclusion in garnet.

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“Candelabra” Necklace
The Rock Hound: Muzo Emeralds and Ethical Practices

Susi Smither discusses her sustainable, responsible, and ethically based business practices.

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Mining site at Zahamena National Park, Madagascar
The Color of Responsibility: Ethical Issues and Solutions in Colored Gemstones

Examines the challenges of ethical sourcing and production of colored stones, and what some industry leaders are doing to address the situation.

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Grandics, wearing black-framed glasses, is behind a bouquet of point-shaped molds.
Article
Emerging Designer Wins Grant to Create Ethical Brand

Designer’s frequent world travels laid a foundation of creative experimentation, design inspiration and social responsibility.

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Sustainably mined yellow sapphire with a transparent chain of custody.
Ethical and Sustainable Vertical Integration in the Sapphire Market

The recession of 2008 transforms a gem business into a vertically integrated operation.

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A petrographic thin section of ruby-diaoyudaoite slag.
Metallic Chromium Inclusions in Industrial By-Product Ruby

Inclusions in technogenic ruby slag help to separate this material from other specimens, both natural and synthetic.

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“Ethics of Jewelry” panelists at the Met.
"The Ethics of Jewelry" at MetFridays

A summary of “The Ethics of Jewelry” panel, held at New York’s Metropolitan Museum of Art on January 25, 2019.

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Article
Bench Tip #10: Use Vector Tightening to Overcome Metal Memory in Prongs

This article explains how to use vector tightening to overcome metal memory in prongs.

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Article
Fluid CH4 and H2 Trapped Around Metallic Inclusions in HPHT Synthetic Diamond

Article published in Diamond and Related Materials, Volume 68, 2016, Pages 10–12

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Book Review: Gold, Platinum, Palladium, Silver & Other Jewelry Metals: How to Test, Select & Care for Them

Review of Gold, Platinum, Palladium, Silver & Other Jewelry Metals: How to Test, Select & Care for Them, by Renee Newman.

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