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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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Abstract Header from the 2009 issue of Gems & Gemology
Abstracts; Summer 2009

This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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A Survey of the Gemstone Resources of China

China has identified many deposits with significant potential to produce gemstones; various species are discussed.

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Nephrite Pendant
Nephrite Jade from Guangxi Province, China

Introduces the Chinese nephrite mine in Hechi and characterises the “band” and dendritic patterns found in this material.

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Gemstone Carving in China: Winds of Change

Chinese master carvers have produced some of the world's most sophisticated gemstone carvings.

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Identification of Bleached and Polymer-Impregnated Jadeite

Article, Identification, Jadeite, “Bleaching”, Polymer Impregnation, Jade Treatments

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Burmese Jade: The Inscrutable Gem
Burmese Jade: The Inscrutable Gem

The jadeite mines of Upper Burma (now Myanmar) occupy a privileged place in the world of gems, as they are the principal source of top-grade material.

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The Jade Enigma

An examination of the various simulants of of nephrite and jadeite, and how to separate them from jade.

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Jadeite of Guatemala: A Contemporary View

Many deposits of jadeite have been found in Guatemala during the last two decades.

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