Gemmologists' compendium
By: Robert Webster ; rev. by E. Allan Jobbins.
Contributors: Jobbins, E. Alan.
Edition: 6th ed.
Publisher: Van Nostrand Reinhold
Published: 1980
Place of publication: New York
Language: eng
Number of pages: 240
Subjects: Precious stones.
Notes: Originally published in 1937 by N. A. G. Press, London, under title: The gemmologists' pocket compendium.