| Share
 

gem

Bibliography

See J. Sinkankas, Gemstones of North America (1959); F. J. Sperisen, The Art of the Lapidary (rev. ed. 1961); R. Webster, Gems (2d ed. 1970); J. D. Dana, Manual of Mineralogy (18th ed., rev. by C. S. Hurlbut, Jr., 1971).

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

See more Encyclopedia articles on: Mineralogy and Crystallography

24 X 7

Private Tutor

Click Here for Details
24 x 7 Tutor Availability
Unlimited Online Tutoring
1-on-1 Tutoring