2018 – Tanzanite and Tsavorite 2015 – Thirteenth
Opal
Stuart Overlin, Editor
Photographs by Mia Dixon, Eloïse Gaillou, Francesco Mazzero/Opalinda,
Jürgen Schültz, Hellen Serras-Herman, Robert Weldon
Specifications: 8.25" x 10.75", digital press, full color, soft cover, perfect binding. 120 pp., color photographs, maps and illustrations.
Publication Date: April 18, 2015
- Program 2
- Dedication and Acknowledgments 3
- Speaker and Author Biographies 4
- Program Abstracts 8
- Eloïse Gaillou
An Overview of Gem Opals: From the Geology to Color and Microstructure 10 - Raquel Alonso-Perez, Jason Tresback, and Theresa Smith
Opals, History and Science of the Harvard University Collection 20 - Bill Larson
A Collector's Perspective 34 - Renée Newman
Matrix Opal 40 - Renée Newman
Not-So-Common Common Opal 48 - Helen Serras-Herman
Exotic Common Opals 58 - Robert Weldon
Opal Photography 80 - Nathan Renfro
The Microworld of Opal 88 - Si and Ann Frazier
Frazier Opal Library 98 - James E. Shigley
Articles on Opal Localities 104 - Opals from the Collection of William F. Larson 106