TY  - BOOK
AU  - Arem,Joel E.
TI  - Color encyclopedia of gemstones
SN  - 0442208332
PY  - 1987///
CY  - New York
PB  - Chapman & Hall
KW  - Precious stones
KW  - Dictionaries
N1  - Includes index; Bibliography: p. 236-238
ER  -