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

Russell Shor, June 12, 2015

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

Dyed Green Marble Imitating Jadeite

Larry Tai-An Lai, January 30, 2015

What appeared to be high-quality jadeite was actually dyed green marble with calcite as the main mineral.

Dyed Bone as a Red Coral Imitation

Gagan Choudhary, July 25, 2014

A specimen presenting as red coral is revealed to be dyed bone.

The Jade Enigma

Jill M. Hobbs, March 1, 1982

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

Abstracts; Summer 1991

Dona M. Dirlam

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