Crystal & gem /
Crystal and gem. Eyewitness crystal & gem.
written by R.F. Symes and R.R. Harding.
- Rev. ed.
- New York : DK Pub., 2004.
- 72 p. : col. ill. ; 29 cm.
- DK eyewitness books. .
Includes index. "Discover the many uses of crystals - from spectacular jewelry to technological tools"--Cover.
Describes how crystals form in nature, how crystals are grown artificially, and how crystals are used in industry. Numerous color photos with text identify the various gemstones.