TY  - BOOK
AU  - Cipriani, Curzio
TI  - The Macdonald Encyclopaedia of Precious Stones (Macdonald encyclopedias)
SN  - 0356122077
U1  - 553.8 
PY  - 1986///
CY  - London
PB  - Macdonald Publisheers
KW  - Earth science
ER  -