Gems & Gemology Vol. 16 Issue 1 (Spring 1978)
Author : Gemological Institute of America
Gems & Gemology is the quarterly journal of the Gemological Institute of America, an educational institution originated by jewelers for jewelers. In harmony with its position of maintaining an unbiased and uninfluenced position in the jewelry trade, no advertising is accepted. Any opinions expressed in signed articles are understood to be the views of the authors and not of the publishers.
Issued Date :
30 Mar 2020
Page :
34
Publisher :
Gemological Institute of America Inc. (GIA)
Category :
Gems & Gemology
Available :
Unlimited
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