
Book Review: Stoned: Jewelry, Obsession, and How Desire Shapes the World
Review of Stoned: Jewelry, Obsession, and How Desire Shapes the World by Aja Raden

Book Review: Gems & Crystals: From One of the World’s Great Collections
Review of Gems & Crystals: From One of the World’s Great Collections, by George E. Harlow and Anna S. Sofianides.

Book Review: Jewelry by Suzanne Belperron: My Style is My Signature
Review of Jewelry by Suzanne Belperron: My Style is My Signature by Patricia Corbett, Ward Landrigan, and Nico Landrigan.

Type Ib Diamond Formation and Preservation in the West African Lithospheric Mantle: Re–Os Age Constraints from Sulphide Inclusions in Zimmi Diamonds
Article published in Precambrian Research 286, 152-166.

田纳西州的淡水珍珠采收
天然珍珠鉴定是珍珠研究的关键问题之一。 珍珠类软体动物和牡蛎的 DNA 研究有助于解决这一问题。 为实现此目标,GIA 派遣一支由科研和教育专业人员组成的队伍前往田纳西州,对淡水软体动物进行采样,以便用于 DNA 条形编码。 与我们一起前往田纳西州的卡姆登,看看我们如何潜水采集珍珠类贝壳。

Lightning Ridge(闪电山脊):全球优质黑蛋白石之都
Lightning Ridge(闪电山脊)是全球优质黑蛋白石之都,这种蛋白石是人们最梦寐以求的一种。 2015 年 6 月,一群 GIA 实地宝石学家参观了澳大利亚新南威尔士的这个传奇小镇。 和我们一起探索这个重要的蛋白石产地吧。

Designer’s Inventive, ‘Outrageous’ Jewelry Wins Industry Awards
Emerging artist Trishala Ashok – who has won multiple design awards – looks beyond the mundane and minutiae of daily life to create her jewelry.


跟随 Rainier(雷尼尔)的步伐:契沃尔祖母绿矿之旅 (英语)
Chronicles the famed emerald source through the adventures of Peter W. Rainier, who directed the mine from 1926 to 1931 and restored its former glory.

Iridescent Spondylus Pearl
Iridescence is seen in a porcelaneous pearl examined at the Carlsbad laboratory.

Natural Blisters with Partially Filled Areas
Blisters examined in the Bangkok lab have been treated with an artificial filler.

Garnet Inclusion Illusion
A quartz double cabochon showcases a garnet placed to imitate an inclusion.

Metallic Chromium Inclusions in Industrial By-Product Ruby
Inclusions in technogenic ruby slag help to separate this material from other specimens, both natural and synthetic.

Australian Opal Beads with Blue Play-of-Color
Boulder opal in sandstone matrix is seen as beads in Tucson.

Steam-Dyed Amber
Testing identifies a new treatment method as the cause of color in beeswax amber.

Multiphase Fluid Inclusions in Blue Sapphires from the Ilmen Mountains, Southern Urals
Sapphires from Russia’s Ilmen State Reserve may provide insight into gem corundum from secondary placers.

俄罗斯宝石打造的法贝热哥萨克人像 (英语)
Hardstone figures of two Russian imperial bodyguards, commissioned in 1912 by Nicholas II, demonstrate the House of Fabergé’s meticulous detail and craftsmanship.

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