Shigeru Akamatsu
K. Mikimoto & Co.
Tokyo | Robert E. Kane
Fine Gems International
Helena, Montana |
Edward W. Boehm
JOEB Enterprises
Solana Beach, California | Lore Kiefert
Gübelin Gem Lab
Lucerne, Switzerland |
James E. Butler
Naval Research Laboratory
Washington, DC | Michael Krzemnicki
SSEF Swiss Gemmological Institute
Basel, Switzerland |
Alan T. Collins
King's College London
United Kingdom | Thomas M. Moses
GIA Laboratory
New York City |
John Emmett
Crystal Chemistry
Brush Prairie, Washington | Mark Newton
University of Warwick
Coventry, UK |
Emmanuel Fritsch
Institut des Materiaux Jean Rouxel (IMN)
Nantes, France | George Rossman
California Institute of Technology
Pasadena, California |
Jaroslav Hyršl
Prague, Czech Republic | Kenneth Scarratt
GIA Laboratory
Bangkok |
A. J. A. (Bram) Janse
Archon Exploration Pty Ltd
Perth, Australia | James E. Shigley
GIA Research
Carlsbad, California |
Alan Jobbins
Geological Survey and Museum (retired)
Caterham, UK | Christopher P. Smith
American Gemological Laboratories
New York City |
Mary L. Johnson
Mary Johnson Consulting
San Diego, California | Wuyi Wang
GIA Research
New York City |
Anthony R. Kampf
Natural History Museum of
Los Angeles County
Los Angeles | Christopher M. Welbourn
De Beers DTC Research Centre (retired)
Reading, UK |
