Fordite from the Corvette Assembly Plant

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GILC 2016

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Rare Emerald from China and Pink Sapphire from Sri Lanka

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Wheel of Light’s Mesmerizing Optics

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Characteristics of Gem-Quality By-Product Synthetic Zincite

Investigates the properties of synthetic zincite produced by industrial kilns in Poland.

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“Boldly Go” with a Southwest-Inspired Starship Enterprise

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Jewelry Television in Tucson

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遊色効果を持つエチオピアWollo(ウォロ)州Wegel Tena(ウェゲルテナ)産オパール (英語)

A new opal deposit was discovered in 2008 near the village of Wegel Tena, in volcanic rocks of Ethiopia’s Wollo Province.

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Gem Paintings from Thailand

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Importance of the Secondary Market for Fine Gems

Exceptional gems that are recirculated in the gem market make an impact at the Tucson shows.

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Moroccan Amethyst:Mining and Marketing

Insight into amethyst mining activity in Morocco.

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Apatite Cluster in Orthoclase Feldspar

An apatite crystal cluster, notable for its morphology and size, is found in a feldspar specimen.

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Infrared Spectroscopic Study of Filled Moonstone

A study on how infrared spectroscopy provides conclusive evidence of impregnated moonstone.

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William Ruser: The Jeweler Who Charmed Hollywood

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Large CVD-Grown Diamond Resubmitted after HPHT Treatment

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Electroformed Gold Bracelet

Examination of gold bracelet bearing a 14K hallmark reveals a wax or resin material under gold plating.

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Exceptionally Rare Titanoholtite

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Iridescent Imitation Pearl

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Pink and Red Epidote in Quartz

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Quarterly Crystal: Diamond in Diamond

Examination of a South African diamond reveals an eye-visible diamond inclusion.

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