Unusual Cat’s-Eye Omphacite Fei Cui Jade
A unique jade cabochon with vivid green bodycolor and pronounced chatoyancy is examined at a lab in Shanghai.
Natural Diamond with Extensive Network of Etch Channels
Numerous etch channels are observed in a 5.19 ct type IIa natural diamond.
Three-Rayed Asterism in Quartz
Rare optical phenomenon observed in four star quartz cabochons from Brazil.
Summer 2022 G&G Publication Information
This document provides the publication information for Gems & Gemology
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