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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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Worker attaching wax forms
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Shenzhen: The Frontier of China’s Gem and Jewellery Industry

All jewellery professionals are familiar with the city of Shenzhen, a global jewellery manufacturing centre and a leader of China’s fast-growing gem and jewellery industry. Join the GIA team as we tour the city and discover more about its leading jewellery brands.

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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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Abstracts; Summer 1991

From the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.

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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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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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