A “Flying Insect” in Diamond

A partially exposed orange garnet inclusion with surrounding fractures resembles a flying insect in a brownish yellow diamond.

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Ethical Supply Chain Practices in Africa with Virtu Gem

A look at Virtu Gem, a company dedicated to improving artisanal mining practices in Africa.

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Plastic Deformation: How and Why Are Most Diamonds Slightly Distorted?

A look at plastic deformation, one of the most prevalent features in natural diamond.

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2023 Tucson Report

An overview of the 2023 Tucson gem shows.

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Microscopic Shells in Natural Pearls from Pinctada radiata

Two pearls from Bahrain containing minute shells are examined at GIA’s Mumbai laboratory.

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Pinctada radiata Atypical Bead Cultured Pearls from the UAE

GIA’s Mumbai laboratory reports on pearl samples from a culturing experiment by the Suwaidi Pearl Farm in the UAE.

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Sapphire from Montana’s Secondary Deposits, Colombian Emerald Morphology, the 2023 Tucson Shows, and More…

An overview of the Spring 2023 Gems & Gemology content.

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Brenda Smith Jewelry Designs

Award-winning jewelry designer Brenda Smith shares some of her creations at the AGTA GemFair in Tucson.

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Rare Double Pseudomorph Ikaite-Calcite-Opal

One of the finest specimens of double pseudomorph ikaite-calcite-opal ever unearthed was on display at the Pueblo Gem & Mineral Show.

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Enormous Cat’s-Eye Aquamarine

A 586.43 ct cat’s-eye aquamarine is donated to the Smithsonian National Museum of Natural History.

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Exceptional Gemstone Acquisitions by the Kreis Family

Stefan and Alexander Kreis share three impressive gemstone acquisitions at GJX in Tucson.

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Forsterite in a Purple Tanzanian Spinel

Examination of a purple spinel from Tanzania reveals a rare forsterite inclusion.

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Liberian Ruby

A trip to a rural Liberian diamond mining community results in a newly discovered source of corundum.

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Luminescent Synthetic Garnet-Like Crystals

Unique rough and faceted luminescent synthetic garnet-like crystals were on display at the 22nd Street show in Tucson.

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New Tourmaline Pockets in San Diego County’s Pala District

Bill and Carl Larson share details about new tourmaline pocket discoveries at the Tourmaline King mine.

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New Find of Petroleum-Included Quartz from Madagascar

Examination of quartz from a new source in Madagascar reveals complex fluid inclusions consisting of petroleum, methane, asphaltite, and water.

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Exceptionally Rare Pearls from ECIJA

An impressive variety of natural, wild, nacreous, and non-nacreous pearls were on display at the GJX show.

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Sixth Annual Gianmaria Buccellati Foundation Award Winner

A graduate of GIA’s Jewelry Design program in London is the recipient of the 2022 Gianmaria Buccellati Foundation Award.

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YNY Jewels: Designer Surbhi Pandya

Handcrafted jewelry pieces featuring tanzanite carvings stood out at the GJX show.

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Zeki Karaca Jewelry: Luxury Pens

One-of-a-kind bejeweled pens from Zeki Karaca caught the attention of attendees at the GJX show.

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