01100cam a2200313 4500 121313786 TxAuBib 20070117120000.0 900612s1991||||||||||||||||||||||||eng|u 90004930 /AC 9780679907817 lib. bdg. 0679907815 lib. bdg. 9780679807810 0679807810 DLC DLC COV TxAuBib Symes, R. F. Crystal & gem [HC] / written by R.F. Symes and R.R. Harding. 1st American ed. New York : Distributed by Random House, 1991. 63 p. : col. ill. ; 29 cm. Eyewitness books Includes index. 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. 20070117. Crystallography. Precious stones. Harding, R. R. Eyewitness books.