TY  - BOOK
AU  - Symes, R. F
AU  - Harding, R. R
TI  - Crystal & gem
SN  - 9780679807810
SN  - 90004930
U1  - 548 SYM 
PY  - 1991///
CY  - New York
PB  - Distributed by Random House, Knopf
KW  - Crystallography
KW  - Crystallography - Juvenile literature
KW  - Crystals
KW  - Crystals - Juvenile literature
KW  - Precious stones
N1  - Includes index
ER  -