TY  - BOOK
AU  - Curzio,Cipriani
AU  - Alessandro,Borelli
AU  - Kennie,Lyman
AU  - Valerie,Palmer
TI  - Simon & Schuster's guide to gems and precious stones /  
T2  - Nature guide series
SN  - 0671604309
PY  - 1986///
CY  - New York : 
PB  - Simon and Schuster Inc., 
KW  - Precious and semiprecious stones
ER  -