TY - BOOK AU - Symes,R.F. AU - Harding,Roger AU - Keates,Colin TI - Crystal & gem SN - 0679807810 AV - QD906.3 .S96 1991 U1 - 548 PY - 1991/// CY - New York PB - Knopf KW - Crystals KW - sears KW - Precious stones KW - Gems N1 - Includes index; "A Borzoi book."; Accelerated Reader; 5.7; 3.0; 17216 N2 - Describes the seven basic shapes of crystals and how they form in nature, how crystals are studied and identified, how crystals are grown artificially, how crystals are used in industry, and other aspects of crystallography ER -