Research Article Search Results

Phenomenal Emeralds from Chitral, Pakistan

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Beryl from Newfoundland, Canada

Beryl and emerald specimens from a recent discovery in Newfoundland are examined at GIA.

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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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The Appeal of Non-Nacreous Pearls

Several vendors offered a variety of impressive non-nacreous pearls at the Tucson gem shows.

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Rose Channels in Ruby

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Iridescent Imitation Pearl

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Large CVD-Grown Diamond Resubmitted after HPHT Treatment

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Trigon Party on a Diamond

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An Exceptional Cat’s-Eye Emerald

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The Lengthy Vertical Journey of Superdeep Diamonds

Explores the journey of superdeep diamonds to the earth’s surface.

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CVD with “Ancient Text” Clouds

A CVD-grown diamond exhibits an interesting clarity characteristic.

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Unusual Inclusions in Natural Emerald from Chivor

Tubular three-phase inclusions are observed in a Colombian emerald.

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