Research Article Search Results

Observations on GE-Processed Diamonds: A Photographic Record

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Glassy Melt Inclusions in Sapphires from Montana

Two-phase inclusions are investigated in alluvial sapphires from deposits in Montana.

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Identifying Gem-Quality Synthetic Diamonds: An Update

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An Era of Sweeping Change in Diamond and Colored Stone Production Markets

The diamond, colored stone, and pearl businesses have witnessed unprecedented change since the turn of the 21st century.

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Emeralds from the Fazenda Bonfim Region, Rio Grande do Norte, Brazil

In 2006, emeralds were discovered in the Fazenda Bonfim region of northeastern Brazil.

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From Single Source to Global Free Market: The Transformation of the Cultured Pearl Industry

Over the past 15 years a combination of market forces, environmental events, and scientific research has radically changed the cultured pearl industry.

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Suggested Reading on Diamond Inclusions

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Cutting Diffraction Gratings to Improve Dispersion (“Fire”) in Diamonds

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D-Color Natural IIa Diamond with Walstromite Inclusion

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The Santa Terezinha De Goias Emerald Deposit

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Emeralds of the Panjshir Valley, Afghanistan

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Natural Shell Blisters and Blister Pearls: What’s the Difference?

GIA researchers explore the differences between whole, blister, and shell blister pearls in this study using 33 samples from Pinctada maxima mollusks recovered off Broome, Australia.

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