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Books: Bright Lights in the Dark Ages: The Thaw Collection of Early Medieval Ornaments
Review of Bright Lights in the Dark Ages: The Thaw Collection of Early Medieval Ornaments by Noël Adams
Books: Mineral Treasures of the Ozarks (英語)
Review of Mineral Treasures of the Ozarks, by Bruce L. Stinchcomb.
Books: Maker & Muse: Women and Early Twentieth Century Art Jewelry (英語)
Review of Maker & Muse, Women of the 20th Century Art Jewelry, by Elyse Zorn Karlin.
Pezzottaite Debuts as the Newest Trapiche Gem Mineral (英語)
A rare mineral acquired along the Thai-Myanmar border exhibits the distinctive six-spoke pattern associated with trapiche.
Rare “Star and Cross” Quartz from Brazil
Two quartz specimens showing asterism and cross-shaped inclusions are analyzed.
Assembled Cultured Blister Pearl with an Unusual Component
An assembled mabe pearl contains a fluted object, the function of which is unknown.
Three Unique Large Natural Pearls from Haliotis (Abalone) Species
Abalone pearls submitted to the New York lab provide insight into the range of colors and shapes this type of mollusk can produce.
Modified Rheinberg Illumination
A lighting method modified for gemological microscopy provides false-color contrast to enhance inclusion scenes.