Book Review: Geology: A Very Short Introduction
Review of Geology: A Very Short Introduction by Jan Zalasiewicz.
Book Review: Masterpieces in Miniature: Engraved Gems from Prehistory to the Present
Review of Masterpieces in Miniature: Engraved Gems from Prehistory to the Present by John Boardman and Claudia Wagner.
Book Review: Symphony of Jewels: Anna Hu Opus 2
Review of Symphony of Jewels: Anna Hu Opus 2 by Janet Zapata with Sarah Davis.
A Guide to Diamonds with the 480 nm Absorption Band
Summarizes the features of 480 nm band diamonds, including chameleon diamonds and those with unmodified orange hues, for rapid identification or advanced gemological testing.
Converge 2025 Poster Presentations
An overview of more than 30 posters presented at the Converge conference.
巨匠宝石カッターの秘密
For more than two decades, former plumber, welder and jewelry store-owner Dyber has been dazzling the world with his brilliant stone carvings ranging from sizes that fit in the palm of the hand to 12-lb quartz behemoths that can dominate a room.
タンザニアの宝石と宝飾品産業の発展
A native of Kenya, Susie Kennedy teamed up with her husband in the 1990s to establish their place in the gem industry.
Kathryn Kimmel
The first woman on the executive team and head of GIA’s innovative marketing and public relations efforts for nearly 30 years.
The Talisman of Charlemagne: New Historical and Gemological Discoveries
Reveals new details about this historical jewel and the results of its first gemological analysis.
From Single Source to Global Free Market: The Transformation of the Cultured Pearl Industry
Over the past 15 years a combination of market forces, environmental events, and scientific research has radically changed the cultured pearl industry.
Exhibition Review: *Gemstone Carvings: The Masterworks of Harold Van Pelt*
A review of Gemstone Carvings: The Masterworks of Harold Van Pelt at the Bowers Museum in Santa Ana, California.
サファイアの品質を決定する要因
サファイアは、ルビーとエメラルドと並ぶ三大カラーストーンの一つです。耐久性に優れたこの宝石は、その実用性とロマンチックな雰囲気で、ジュエリー購入者を魅了し続けています。こちらをクリックして、サファイアがこれほどまでに人気を集める理由をご覧ください!
Book Review: Wartski: The First Hundred and Fifty Years
Review of Wartski: The First Hundred and Fifty Years, by Geoffrey Munn.
Book Review: Cartier Royal High Jewelry and Precious Objects
Review of Cartier Royal High Jewelry and Precious Objects, by François Chaille.
Book Review: Collector’s Guide to the Amphibole Group
Review of Collector’s Guide to the Amphibole Group, by Robert J. Lauf.

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