CVD Laboratory-Grown Gem Diamonds from Plasmability

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Enormous South Sea Cultured Pearl with Filled and Partially Hollow Structure

Examination of a gigantic South Sea bead cultured pearl reveals an intriguing internal structure.

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CVD-Grown Diamond with an Unusual Blue Band

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Checkered Pattern on Diamond

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Assembled Bead Cultured Half-Pearl

Investigation in the Carlsbad laboratory reveals a pearl submission is not mabe as initially believed.

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Wearable Art Jewelry Supporting Families in Guatemala

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Kyanite in Quartz

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“Hummingbird” in Orangy Yellow Diamond

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Evil Eye in a Flux-Healed Mong Hsu Ruby

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Devitrified Glass “Pom-Poms” in Ruby

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Dendritic Patterns in Emerald

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Copper in Indonesian Chalcedony

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Aquamarine with Fluorite Inclusions

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Rock Crystal Quartz Skull

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Irreversible Photochromism in Synthetic Sapphire

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Black Opal with Unique Play-of-Color

A black opal cabochon set in a ring displays vivid orange play-of-color.

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Update on Montana’s Rock Creek Sapphire

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Rare Faceted Väyrynenite

Uniquely saturated examples of the collector stone were on display at GJX.

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Paraíba Tourmaline Melee: An Entry-Level Market Perspective

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Phenomenal Gems

A look at the most popular phenomenal gems exhibited at the 2025 Tucson gem shows.

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