TY  - BOOK
AU  - Zim,Herbert Spencer
AU  - Shaffer,Paul R.
AU  - Perlman,Raymond
TI  - Rocks and minerals: a guide to familiar minerals, gems, ores, and rocks,
U1  - 549 20
PY  - 1961///? c1957]
CY  - New York
PB  - Golden Press
KW  - Mineralogy
KW  - Petrology
N2  - Includes information on collecting and identifying minerals, and sections on metallic, nonmetallic, gem and rock-forming minerals, and on igneous, sedimentary and metamorphic rocks
ER  -