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 -