Dislocation Chain in Oregon Sunstone

A decorated dislocation chain encountered in Oregon sunstone follows an interesting rectangular pattern.

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Blue Spodumene

Raman analysis helps to confirm the identification of a rare and lovely large blue spodumene.

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Dramatic Color Zoning in Alexandrite

A gem cutter’s thoughtful design enhances the natural color zoning in an 8.55 ct alexandrite.

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Staurolite in a Mozambique Ruby

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Apatite in Blue Sapphire

A Sri Lankan star sapphire delights with an apatite crystal floating over a cloud of rutile silk.

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Fascinating Fluid Inclusions in Chinese Ruby

Fluid inclusions resembling a snake and a fish are discovered in two rubies from the Yuanjiang deposit in China.

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GIA Library and Museum Facebook Group

The GIA Library and Museum launch a Facebook group to encourage lively discussion among bibliophiles, museum curators, and gem enthusiasts.

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Honey Brown and Light Yellow Hydrogrossular: An Uncommon Jade Imitation

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Mabe Cultivation in Mayotte

Laboratoire Français de Gemmologie (LFG) receives several assembled cultured blister samples from Mayotte for gemological characterization.

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Pink Aventurine Quartz with Alurgite Inclusions

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Parisite Crystals in a Colombian Emerald

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Tourmaline in Paraíba Tourmaline

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Reinvesting in Cartagena: Jewelry School of the Caribbean

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Large Freshwater Cultured Pearls with Atypical Bead Nuclei

GIA’s New York laboratory reports on a submission of two pearl necklaces containing large, intensely colored cultured pearls with unique bead nuclei.

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视频内容:柬埔寨的宝石开采

GIA 加入了有几个矿工组成的小队,因为他们正在柬埔寨西部的拜林省搜寻蓝宝石和其他宝石。

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More of the Interesting and Unusual – Tucson 2014

Alluring finds at the 2014 gem shows in Tucson.

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African Rhodochrosite and Colombian Quartz with Trapiche Patterns

An eclectic grouping of gems and minerals at Tucson’s Pueblo show includes South African and Colombian specimens.

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Anatase “Dandelion” in Agate

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Fall 2001 Gem News International

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Dravite from Mozambique with an Abundance of Pyrite Inclusions

Numerous intact euhedral pyrite inclusions are noteworthy features within this yellow gem-quality dravite.

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