TY  - BOOK
AU  - Zim,Herbert S.
AU  - Shaffer,Paul R.
AU  - Perlman,Raymond,ed
TI  - Rocks and minerals: a guide to familier minerals, gems, ores and rocks
U1  - 553 
PY  - 1957///
CY  - New York
PB  - Golden Press
KW  - Rocks
KW  - Minerals
N1  - Includes index
ER  -