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Reinvesting in Cartagena: Jewelry School of the Caribbean

A Colombian jeweler operates a nonprofit organization that teaches at-risk youth the art of jewelry making.

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Aquamarine from San Luis Potosí State in northern Mexico
Aquamarine from a New Primary Deposit in Mexico

Examination of aquamarine samples from a new primary deposit in San Luis Potosí, northern Mexico.

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Grayish blue aquamarine
Aquamarine with Unusually Strong Dichroism

This aquamarine's most striking feature was its unusually strong dichroism, displaying very deep blue and pale bluish green colors.

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Map of main aquamarine deposits of northern Pakistan.
Aquamarine from Pakistan

A gemological investigation of the aquamarine that has emerged from northern Pakistan in recent years.

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Smoky Quartz Ametrine from the Yuruty Mine
Ametrine with Layers of Smoky Quartz

An investigation of these Yuruty mine samples revealed an interesting new aspect to this bicolored quartz.

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Ametrine from Yuruty, Bolivia
Update on Ametrine from the Yuruty Mine, Bolivia

A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.

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“Colors of Maine” kaleidoscope.
Derek Katzenbach: Faceter, Gem Artist, Custom Jeweler

Maine-based designer Derek Katzenbach discusses his education and inspiration.

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Bicolor sapphire in Hapeman’s Helena cut.
Jeff Hapeman: Stories from a Gem Cutter

The founder of Earth’s Treasury talks about his own career and the impact of social media on the industry.

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Jewelry Glossary Project Survey

A call for input from gem and jewelry professionals for a glossary to define industry-specific terms.

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Gem cutters in Jaipur wear masks provided by AGTA.
Gemstones and Sustainable Development Knowledge Hub

Projects developed by the GemHub to benefit miners, cutters, and others involved in the gem and jewelry industry.

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