TY  - BOOK
AU  - Arem,Joel E.
TI  - Color encyclopedia of gemstones
SN  - 0442203330
PY  - 1977///
CY  - New York
PB  - Van Nostrand Reinhold
KW  - Precious stones
KW  - Dictionaries
N1  - Includes index; Bibliography: p. 139-140
ER  -