Saturday, August 16, 2008
# Author: Michael O'Donoghue
# Publisher: Butterworth-Heinemann; 6 edition (April 18, 2006)
# Language: English
# ISBN-10: 0750658568
# ISBN-13: 978-0750658560
# Size: 17 MB
Reviews of the previous editions:
Any serious gemologist should have a copy available for ready reference.
Gems and Gemology
...a truly magnificent book.
...this quintessential textbook and reference will serve yet another generation of students of gemology.
The Australian Gemologist
The most comprehensive and authoritative treatise on gem materials