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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.

Fall 1991, Volume 27, Issue 3

 

EDITORIAL

New Sources Bring New Opportunities p.135

FEATURE ARTICLES

Rubies and Fancy Sapphires from Vietnam p.136-p.155
Robert E. Kane, Shane F. McClure, Robert C. Kammerling, Nguyen Dang Khoa, Carlo Mora, Saverio Repetto, Nguyen Duc Khai, and John I. Koivula
New Rubies from the Morogoro Area, Tanzania p.156-p.167
H. A. Hänni and K. Schmetzer

NOTES AND NEW TECHNIQUES

Bohemian Garnet---Today p.168-p.173
Jochen Schlüter and Wolfgang Weitschat

REGULAR FEATURES

Gem Trade Lab Notes p.174-p.179
Gem News p.180-p.190
"Perfect" Challengers p.192
Book Reviews p.193-p.194
Gemological Abstracts p.195-p.202

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