TY  - BOOK
AU  - Pearl,Richard M.
TI  - Gems, minerals, crystals, and ores: the collector's encyclopedia 
U1  - 549 
PY  - 1964///
CY  - New York
PB  - Odyssey Press
KW  - Precious stones
KW  - Mineralogy
KW  - Crystals
KW  - Gem cutting
N1  - Includes index
ER  -