gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1962.033.257.14 Book Reviews Gemstones and Minerals—How and Where to Find Them N. R. A. 6 1962 33 257 172 172 Sinkankas John Gemstones and Minerals—How and where to find them Princeton, New Jersey; New York, Toronto, London D. Van Nostrand Company, Inc. 1961 133 figs. including 80 pls. Price U.S. $8.95 Copyright © 1962, The Mineralogical Society 1962