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Back Issues

Back issues of Gems & Gemology may be purchased individually, or save by buying one-, three-, or five-year sets. Use our online order form or contact our Subscriptions/Back Issues Office at dortiz@gia.edu. Call toll-free nationwide 800-421-7250, ext. 7142. Outside the U.S., call 760-603-4000, ext. 7142.

Winter 1992, Volume 28, Issue 4

 

REGULAR FEATURES

Gems & Gemology Challenge p.68-p.69
Book Reviews p.70-p.71

EDITORIAL

What Did You Say the Name Was? p.219
Letters p.220-p.221

FEATURE ARTICLES

Methods for Determining the Gold Content of Jewelry Metals p.222-p.233
Meredith E. Mercer
Diamond Sources and Production: Past, Present, and Future p.234-p.254

NOTES AND NEW TECHNIQUES

Sapphires from Changle in Shandong Province, China p.255-p.260
Jingfeng Guo, Fuquan Wang, and Gerry Yakoumelos

REGULAR FEATURES

Gem Trade Lab Notes p.262-p.267
Gem News p.268-p.279

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