TY  - BOOK
AU  - Symes,R.F.
AU  - Harding,R.R.
TI  - Crystal & Gem / 
T2  - Eyewitness guides
SN  - 0863185754
U1  - 553.8 
PY  - 1991///.
CY  - London : 
PB  - Dorling Kindersley, 
KW  - Crystal.
KW  - Gems.
ER  -