GIA 卡爾斯巴德畢業生榮獲 Buccellati 基金會珠寶設計獎

GIA (Gemological Institute of America), together with the Gianmaria Buccellati Foundation, presented the ninth annual Gianmaria Buccellati Foundation Award for Excellence in Jewelry Design on February 6, 2026, to GIA Carlsbad graduate Catherine “Cathy” Aulick.

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前 GIA 理事 George Rossman 博士逝世

George Rossman, a member of the GIA Board of Governors from 1995 to 2007 and professor of mineralogy, emeritus, at the California Institute of Technology (Caltech), passed away on February 6 at age 81.

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元GIA理事Dr. George Rossman逝去

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Former GIA Governor Dr. George Rossman Passes Away

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Tourmaline in Tourmaline

A perfectly shaped euhedral tourmaline crystal is identified in a faceted tourmaline.

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New Edition of Tillander’s Diamond Cuts in Historic Jewellery 1381–1910

An updated edition of Herbert Tillander’s book is now available.

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Whimsical Growth Tubes in Tourmaline

Microscopic examination reveals intriguing growth tubes in a copper-bearing tourmaline.

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Susan Jacques Receives Richard T. Liddicoat Award for Distinguished Achievement

GIA’s president and CEO Susan Jacques is honored with the Richard T. Liddicoat Award for Distinguished Achievement.

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Metal Sulfide in Spinel

A pink spinel hosts a richly textured, opaque metallic inclusion.

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Al Gilbertson Receives Robert M. Shipley Award

GIA’s Al Gilbertson receives the American Gem Society’s highest honor.

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Spindle-Shaped Lazurite Inclusion in Scapolite

Multiple vivid blue lazurite inclusions are observed in a near-colorless scapolite.

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Filled Natural Hollow Heart-Shaped Pearls

Examination of four heart-shaped pearls reveals cavity filling and plugging to improve durability.

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Dark Red Tantalite Crystal in Greenish Blue Sapphire

The blunt termination of a red manganotantalite inclusion displays a striking contrast against a greenish blue sapphire.

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An Unconventional Bead Cultured Saltwater Pearl

A semi-baroque saltwater nacreous pearl presents identification challenges in the Mumbai laboratory.

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2026 Sinkankas Symposium: Gems and Minerals of Burma (Myanmar)

The date and topic of the 2026 Sinkankas Symposium is announced.

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Reconstructed Specimens and the Rise of Deceptive Practices in Pakistan

A report on the increase of artificially assembled or altered specimens circulating in Pakistan’s local gem markets.

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Cat’s-Eye Boulder Opal

A precious cat’s-eye boulder opal from Australia is examined in the Carlsbad laboratory.

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Mannardite in Quartz

Fibrous mannardite crystals are observed in three colorless quartz samples.

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Hanabi in a Conch Pearl

A pink oval conch pearl displays firework-like flame patterns.

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A Rare Friedelite

The Carlsbad laboratory reports on a rare submission of orangy red translucent friedelite.

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