Gem reference guide.
Contributors: Gemological Institute of America.
Publisher: Gemological Institute of America
Published: 1995
Place of publication: [Santa Monica, CA]
Language: eng
Number of pages: 270
Subjects: Precious stones -- Identification -- Handbooks, manuals, etc.
Genres: Handbooks, manuals, etc.
Notes: "For the GIA, colored stones, gem identification and colored stone grading courses." -- Cover.

Includes index.