World of gemstones
By: by Rudolf D̆ud̆a and Luboš Rejl ; translated by Petr Korbel.
Contributors: Rejl, Luboš.
Publisher: Geoscience Press
Published: 1998
Place of publication: Tucson, AZ
Language: eng
Subjects: Precious stones
Notes: Includes bibliographical references (p.    -   ) and index.