Jewelers' circular-keystone's gemstones of the world.
Publisher: Jewelers' Circular-Keystone
Published: 1989
Place of publication: Radnor, PA
Language: eng
Subjects: Gems.; Precious stones.
Other titles: Jewelers' circular-keystone.; Gemstones of the world.
Notes: Compilation of features which ran in Jewelers' circular-keystone from Apr. 1988 through May 1989.