Crystal & gem /
Crystal and gem Title appears on item as: Eyewitness crystal & gem
written by Dr. R. F. Symes and Dr. R. R. Harding.
- This American ed.
- London : DK, 2014.
- 72 p. : ill. (some col.), col. map ; 29 cm.
- DK eyewitness .
- Eyewitness (Dorling Kindersley Limited) .
"Admire the beauty and versatility of crystals and gems--from thei9r use in elegant jewelry to silicon chips"--Front cover. "Supports the Common Core state standards"--Back cover.
Includes bibliographical references (p. 68) and index.
Describes how crystals form in nature, how crystals are grown artificially, and how they are used in industry. Numerous color photos with text identify the various gemstones.