Books: Mineral Treasures of the Ozarks (英语)
Review of Mineral Treasures of the Ozarks, by Bruce L. Stinchcomb.
Books: Bright Lights in the Dark Ages: The Thaw Collection of Early Medieval Ornaments
书评:《Bright Lights in the Dark Ages: The Thaw Collection of Early Medieval Ornaments》(黑暗时代的亮光: 思奥藏品中的中世纪早期装饰品),作者:Noël Adams(诺尔·亚当斯)
Books: Maker & Muse: Women and Early Twentieth Century Art Jewelry
Review of Maker & Muse, Women of the 20th Century Art Jewelry, by Elyse Zorn Karlin.
A Jadeite Bangle Simulant: Hydrogrossular Garnet
Bangles submitted for identification are found to be not jadeite jade, but hydrogrossular garnet, an unusual choice for this form.
Large Colorless HPHT-Grown Synthetic Gem Diamonds from New Diamond Technology, Russia (英语)
Examines a new source of colorless and near-colorless gem-quality HPHT synthetic diamonds using spectroscopic and gemological analysis.
Modified Rheinberg Illumination
A lighting method modified for gemological microscopy provides false-color contrast to enhance inclusion scenes.
Letseng’s Unique Diamond Proposition
Explores the history, geology, and current production of this unique source of large diamonds.
Cleavage System in Pink Diamond
A Fancy Intense purplish pink diamond with a network of planar cracks and strain-induced bodycolor reveals an aesthetic geometric pattern.
Molybdenite in Topaz
Irradiated Green-Blue CVD Synthetic Diamonds (英语)
Advancing CVD growth technologies yield intensely colored, high-quality synthetic diamonds, such as the two green-blue synthetic materials seen in the New York lab.
Serpentine Cabochon with Unusual Olive Green Color
Assembled Cultured Blister Pearl with an Unusual Component
An assembled mabe pearl contains a fluted object, the function of which is unknown.
Pezzottaite Debuts as the Newest Trapiche Gem Mineral (英语)
A rare mineral acquired along the Thai-Myanmar border exhibits the distinctive six-spoke pattern associated with trapiche.

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