TY  - BOOK
AU  - Symes,R.F.
AU  - Harding,R.R.
TI  - Crystal & gem: Discover the fascinating world of crystals and gems- their beauty, uses, structure and variety
SN  - 0863185754
U1  - 548 SYM 
PY  - 1991///
CY  - London
PB  - Dorling kindersley
KW  - Crystals
KW  - Crystallography
KW  - Precious stones
N1  - Includes index
ER  -