This section contains abstracts of poster presentations that were given at the Gemological Research Conference and the International Gemological Symposium. The GRC poster abstracts were reviewed by the GRC Committee (see p. 80), and the Symposium posters were reviewed by the Symposium Poster Session Committee:

Shane Elen GIA Research, Carlsbad
Sheryl Elen Richard T. Liddicoat Library and Information Center, GIA, Carlsbad
Al Gilbertson GIA Research, Carlsbad
Caroline Nelms Richard T. Liddicoat Library and Information Center, GIA, Carlsbad
Thomas W. Overton Gems & Gemology, GIA, Carlsbad
Robert Weldon Richard T. Liddicoat Library and Information Center, GIA, Carlsbad

All of the poster presenters and committee members are thanked for making the poster session, which was kindly sponsored by Swarovski, such an important and informative part of the GRC and Symposium.

Dona M. Dirlam
Chair of Poster Session Committee