Their Sources, Descriptions, and IdentificationBook - 1994
First published in 1962, this is a guide to gem materials. In this edition, edited by Peter Read, the 40 chapters, appendices and tables have been revised by 15 gemologists chosen for their expertise in the relevant sections.
Publisher: Oxford ; Boston : Butterworth-Heinemann, 1994
Edition: Fifth edition
Branch Call Number: 553.8 We
Description: xxviii, 1026 pages : illustrations (some color), maps ; 25 cm