Research Article Search Results

Liberian Ruby

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

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Exceptionally Rare Pearls from ECIJA

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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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Sweet Home Mine Rhodochrosite from 1888

A rhodochrosite on display at AGTA dates back more than a century to Colorado’s Alma Mining District.

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Blue Sapphire Lord of the Rings Pendant

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Zeki Karaca Jewelry: Luxury Pens

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Two Black Non-Nacreous Bead Cultured Pearls from Pinctada margaritifera

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Zigzag Fingerprint in Sri Lankan Sapphire

Fiber-optic illumination reveals rectilinear zigzag-patterned films with vibrant colors in a blue sapphire.

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Two Pearls of Indian Cultural Significance

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Brenda Smith Jewelry Designs

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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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Vibrantly Colored Gems

Bill Larson of Pala International reports a very strong AGTA Tucson show.

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