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A miner in northern Tanzania examines rhodolite.
Gemstone Guidebook Project

A project coordinated by GIA and the NGO Pact provides a valuable educational tool to women miners in Tanzania.

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Barbara Palumbo, Monica Stephenson, and Sarah Yood speak at the conference.
IAC Conference on Responsible Gold

A report from the eighth annual International Gold Conference, held in New York April 12-13, 2018.

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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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Man in a hard hat sits in an underground emerald mine.
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Geologist’s Newest Mission: Share the Love of Colored Gemstones

African-born colored stone specialist visits America and changes his life forever; finding love, earning GG and starting a new career.

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13 ct emerald from Belmont mine’s underground tunnel
Fortieth Anniversary of the Belmont Mine

Marcelo Ribeiro offers an update on mining and cutting activities at the Belmont emerald mine in Brazil.

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Colombian Emerald Industry: The New Generation

Luis Gabriel Angarita and Edwin Molina share their experiences and perspective on the Colombian emerald industry.

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Mexican fire opal with good claritiy
Outlook on Opals from Mexico and Australia

Jürgen Schütz discussed the opal sourcing and cutting activities of the German firm Emil Weis.

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Small precision-cut emerald from Swat Valley, Pakistan
Supply Chain Transparency and Beneficiation

Jean Claude Michelou shares his perspective on supply chain transparency and beneficiation in source countries.

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Recent production of turquoise from Polk County, Arkansas
Turquoise from Western Arkansas

A report on turquoise from the only known U.S. deposit outside of the Southwest.

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Large sunstone rough from the Ponderosa mine in Oregon
Ponderosa Sunstone Update

John Woodmark provides an update on the Ponderosa sunstone mine in Oregon.

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