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The wax-impregnated bangle (left) showed bluish fluorescence under long-wave UV.
Strong Fluorescence in B-Jade Impregnated with Wax

A bangle is an example of the misconception that B jade is only impregnated by resin, when in fact wax-impregnated jadeite is also considered B-jade.

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Chinese carving
Origin Determination of Dolomite-Related White Nephrite through Iterative-Binary Linear Discriminant Analysis

A technique for origin identification based on statistical analysis and LA-ICP-MS spectrometry.

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Jadeite boulder from Itoigawa, Japan
Japanese Jadeite: History, Characteristics and Comparison with Other Sources

Examines the sources, colour, texture and chemical composition of jadeite from Japanese deposits.

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Jade table screen.
Exhibition Review: Colors of the Universe: Chinese Hardstone Carvings

Review of Colors of the Universe: Chinese Hardstone Carvings at New York’s Metropolitan Museum of Art.

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Calcite showing phosphorescence.
Filled Calcite with Pronounced Phosphorescence

A sphere with a greasy lustre exhibiting strong phosphorescence is investigated.

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Gem: The Definitive Visual Guide book cover
Book Review: Gem: The Definitive Visual Guide

A review of Gem: The Definitive Visual Guide.

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Imperial Jade of Burma and Mutton-Fat Jade of India: Mining, Trade, and Use from Antiquity to the Present
Books: Imperial Jade of Burma and Mutton-Fat Jade of India

Review of S.K. Samuels’s Imperial Jade of Burma and Mutton-Fat Jade of India: Mining, Trade, and Use from Antiquity to the Present.

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Article
Autumn 2015 G&G: Trapiche Emeralds, Synthetic Diamonds and a Large Diamond Source

G&G Brief presents an overview of the content of the Autumn 2015 issue of Gems & Gemology.

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The Museum of London’s Extraordinary Cheapside Hoard

The history and mysteries behind a treasure of jewels hidden during the 1600s, a window to the past being fully opened to the public for the first time since a chance discovery a century ago.

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Jade table screen.
Article
Exhibition Review: Colors of the Universe: Chinese Hardstone Carvings

Review of Colors of the Universe: Chinese Hardstone Carvings at New York’s Metropolitan Museum of Art.

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