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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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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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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
Spring 2015 G&G Examines Blue Spinel, Chinese Jewellery Design and the Latest in Synthetics

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

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Jadeite bangle revealing natural inclusions
Jadeite Bangle with the Appearance of Polymer Treatment

A jadeite jade bangle is submitted for lab testing to investigate the possibility of treatment.

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Two shattuckite specimens
Shattuckite from the DRC

Rare shattuckite from the Democratic Republic of Congo, as seen at the Tucson Gem and Mineral Show.

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Gemmological characteristics of coated jadeite jade

Analyses the effects of coating on green jadeite specimens using DiamondView imaging, microscopy, spectroscopy and Raman spectrophotometry.

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Summer 1994 G&G Lab Notes

This section, from the Summer 1994 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.

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