Iridescent Pen Shell

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Lithiophilite in Quartz

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Identification of the Endangered Pink-To-Red Stylaster Corals by Raman Spectroscopy

All corals within the Stylasteridae family (including the Stylaster genus) are listed in Appendix II of CITES.

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In Memoriam: Jean Claude Michelou

The gem and jewelry industry mourns the loss of one of its true leaders.

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Internal Structures of Natural Pearls from Pinctada maxima, Identification of Resin-Filled Turquoise, Spinel Inclusions Chart, and More……

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Prida Tiasuwan (Pranda Jewelry Group)

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Wearable Art Jewelry Supporting Families in Guatemala

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GIA 7 Pearl Value Factors: An Update on Nacre Classification

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Iridescent Gems Cut from Hinge Ligament of South Sea Pearl Oyster (Pinctada maxima)

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Diamond Trader Ishaia Gol

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Multilayered Laboratory-Grown Diamond

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G&G Facebook Group Surpasses 40,000 Members

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International Jewelry Tokyo 2024

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New Emerald Production from the Curlew Mine, Western Australia

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Checkered Pattern on Diamond

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CVD-Grown Diamond with an Unusual Blue Band

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CVD Laboratory-Grown Gem Diamonds from Plasmability

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Fancy Vivid Yellow HPHT-Grown Diamonds

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Irreversible Photochromism in Synthetic Sapphire

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Rare Gadolinite Gemstone

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