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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 1998, Volume 34, Issue 4

 

FEATURE ARTICLES

Characterizing Natural-Color Type IIb Blue Diamonds p.246-p.268
John M. King, Thomas M. Moses, James E. Shigley, Christopher M. Welbourn, Simon C. Lawson, and Martin Cooper
Fingerprinting of Two Diamonds Cut from the Same Rough p.270-p.280
Ichiro Sunagawa, Toshikazu Yasuda, and Hideaki Fukushima

NOTES AND NEW TECHNIQUES

Barite Inclusions in Fluorite p.281-p.283
John I. Koivula and Shane Elen

REGULAR FEATURES

Gem Trade Lab Notes p.284-p.289
Gem News p.290-p.302
Gem News highlight: Red, pink, and bicolored tourmaline from Nigeria. p.298
Book Reviews p.303-p.305
Gemological Abstracts p.306-p.314
1998 Subject Index (A - L) p.315-p.318
1998 Subject Index (M - Z) p.318-p.320
1998 Author Index p.320

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