TY  - BOOK
AU  - Sinkankas, John
AU  - 
TI  - Gem Cutting: a Lapidary's Manual
U1  - 671.15 
PY  - 1962///
CY  - New York
PB  - Van Nostrand Reinhold Company
KW  - Jewels
KW  - gems
KW  - mineralogy
KW  - Archeology
KW  - Art
KW  - Engraving
KW  - Decoration and ornament
ER  -