TY  - BOOK
AU  - George E Harlow,Joseph J Peters
TI  - Minerals and gems
SN  - 1-55859-273-3
U1  - 549.074 Har/Pet 
PY  - 1994///
CY  - Abbeville Press Publ., New York
KW  - Polytechnic - Jewellery
ER  -