Former GIA Governor Dr. Gordon E. Brown, Jr. Passes Away

CARLSBAD, Calif. – September 8, 2026 – Gordon E. Brown, Jr., a member of the GIA Board of Governors from 1988 to 2008 passed away in August.

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GIAとギューベリン宝石研究所がエチオピア産銅含有トルマリンの新しい供給源を確認

GIAとギューベリン宝石研究所の研究者がパライバトルマリンの新しい供給源を確認

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GIA and Gübelin Gem Lab Confirm New Source of Copper Bearing Tourmaline from Ethiopia

CARLSBAD, Calif. and LUCERNE, Switzerland – August 27, 2026 – Researchers at GIA (Gemological Institute of America) and the Gübelin Gem Lab independently examined copper-bearing tourmaline from a newly reported source in Ethiopia.

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Goethite Sprays in Apatite

Examination of a green-blue apatite reveals goethite in a surface-reaching fracture.

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Tucson 2026 Overview

A summary of the findings at the 2026 Tucson gem shows.

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Fireworks in Aquamarine

Iridescent thin films in aquamarine resemble fireworks in the night sky.

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“Basketball Player” in Diamond

A diamond’s cloud and crystal inclusions create a unique scene.

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High-Clarity Suite of Color-Change Pyrope Garnets

Todd Wacks exhibits his exceptional graduated suite of 65 matched color-change pyrope garnets from Morogoro, Tanzania.

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“Comet Tail” Needle Cluster in Garnet

A cluster of needle inclusions in a pyrope-almandine garnet is reminiscent of a comet’s tail.

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Gold Sheen Sapphire

A variety of colors and effects were observed in “gold sheen” sapphire from eastern Kenya.

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Tucson 2026: Pearl Market Report

An update on the global pearl market from vendors at the Tucson gem shows.

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“Meteor Shower” in a Pearl

A natural nacreous pearl from the Mytiloidea superfamily displays a visual effect suggestive of a meteor shower.

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Play-of-Color on a Pen Pearl

Calcitic crystals on the surface of a pen pearl display a play-of-color phenomenon under fiber-optic illumination.

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Color-Treated Purple Diamond Rough with Interesting Growth Pattern

Patterns observed in a color-treated purple diamond reveal details about its growth history.

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Animal Motifs with Purpose

Jewelry designer Samira Mazloom draws awareness to endangered species with her unique “Fading Footprints” collection.

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“Spiderweb” Structure on a Pearl’s Base

Examination of a natural pearl reveals a cavity formation with thread-like filaments.

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Interpenetrant Twins in Natural Diamond

A vivid orangy yellow rough diamond displaying penetration twinning is examined in the Carlsbad laboratory.

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Hardstones in Fine Jewelry

Eleux Jewelry offers unique pieces pairing hardstones such as agate and turquoise with diamonds and other precious gems.

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Ninth Annual Gianmaria Buccellati Foundation Award Winner

A graduate of GIA’s Jewelry Design program in Carlsbad, California, is the recipient of the 2025 Gianmaria Buccellati Foundation Award.

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Emerald with Abundant Magnetite Inclusions

An unusually high abundance of magnetite in four distinctive crystal habits is observed in a Zambian emerald.

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