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Yunnan emerald at Tucson
Rare Emerald from China and Pink Sapphire from Sri Lanka

An emerald from a largely unexplored Chinese deposit is seen at Tucson, along with a pink sapphire recut after removal from a necklace.

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34th International Gemmological Conference

A report from the 34th IGC, held in Vilnius, Lithuania in August 2015.

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2016 GJX show at Tucson
Tucson 2016

An overview of the 2016 gem shows.

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“Queen Thai” bracelet with fire opals.
New Designs from Paula Crevoshay

World-renowned jewellery artist Paula Crevoshay displays some of her newest pieces at the Tucson gem shows.

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JTV broadcasts from Tucson
Jewelry Television in Tucson

A look at JTV’s history, current activities and impact on the industry.

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Rubellite rough.
Tourmaline and Sapphire from Nigeria

An update on Nigerian coloured stone production is obtained at the Tucson gem shows.

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Sapphire with colour shift
Unusual Optical Effect in Blue Sapphire

A bluish violet sapphire shows surprising effects under lab examination.

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