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极尽奢华：Tony Duquette Hutton Wilkinson 珠宝
Tony Duquette 是一位多才多艺的电影艺术家和室内设计师，30 多年来，他与 Hutton Wilkinson（业务合作伙伴兼设计合作者）创作了各种风格大胆和戏剧化的珠宝作品。 他们的设计灵感来源于 Duquette 在好莱坞黄金时代从事的重要服装和布景设计师工作。
Identifying Gem-Quality Synthetic Diamonds: An Update
Synthesized gem-quality diamonds from the General Electric Company are analyzed for characteristics that distinguish them from natural stones.
Inamori Synthetic Cat's-Eye Alexandrite
This article reports on a detailed gemological examination of this new synthetic cat's-eye alexandrite.
Gem-Quality Grossular-Andradite: A New Garnet from Mali
A find of new gem garnets has been made in contact metamorphic deposits in the Republic of Mali, western Africa.
Observations on GE-Processed Diamonds: A Photographic Record
Observations made at GIA on 858 GE-processed diamonds revealed several interesting features that may be diagnostic of this kind of diamond. Specifically, a significant percentage exhibited a slightly hazy appearance, noticeable internal graining, and other unusual internal features.
The Santa Terezinha De Goias Emerald Deposit
The author has uncovered many ancient references to the simulation or enhancement of gemstones.
Multilayered Laboratory-Grown Diamond
A laboratory-grown diamond with multiple growth layers highlights the challenges of discerning the details of diamond synthesis.
Diamond Within a Diamond Within a Diamond
A natural diamond contains two inclusions resembling a faceted diamond and a rough diamond.
Iridescent Pen Shell
Aragonite and calcite create a captivating iridescent effect in a Pinnidae shell.
“Soap Bubbles” in Yellow Sphene
A sample of yellow sphene displays a cloud of soap bubble–like inclusions with interference colors.
Diffusion-Induced Blue Spinel-Like Layer on Natural Sapphire
Three natural sapphires exhibiting a surface layer of gahnite are studied at the GGTL laboratory.
Gold-Plated Gold
The application of plating is detected on gold jewelry pieces in the Carlsbad laboratory.
Emeralds of the Panjshir Valley, Afghanistan
With the withdrawal of Soviet troops from Afghanistan, villagers in the Panjshir Valley are turning their attention to the emerald riches of the nearby Hindu Kush Mountains.
The Anahí Ametrine Mine, Bolivia
The Anahí mine, Bolivia, has produced large amounts of amethyst, citrine, and amethyst-citrine for the gem market.
Gray-To-Blue-To-Violet Hydrogen-Rich Diamonds from the Argyle Mine, Australia
The Argyle diamond mine is the only known source of type IaB hydrogen- and nitrogen-rich diamonds colored gray to blue to violet.
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