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Gemmological characteristics of coated jadeite jade

Jian Zhang, Taijin Lu, and Hua Chen, January 31, 2014

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

Abstract Header from the 2009 issue of Gems & Gemology

Abstracts; Summer 2009

Brendan M. Laurs, Thomas W. Overton

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.

New or Unusual Gem Materials Encountered in the Institute’s Gem Trade Laboratories

G. Robert Crowningshield, June 1, 1957

One of the favourites for Gems & Gemology readers is the Lab Notes column, the brief reports in each issue describing notable or unusual gem materials that have made their way to GIA’s laboratory.

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