gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1963.033.260.10 Book Reviews Rock Forming Minerals Brown G. M. 3 1963 33 260 434 436 Deer W. A. Howie R. A. Zussman J. Rock Forming Minerals London Longmans 1962 Vol. 1: Ortho- and Ring Silicates. x + 333 pp., 88 figs., 53 tables. Vol. 3: Sheet Silicates. x + 270 pp., 58 figs., 44 tables. Price £4. 15s. each volume Copyright © 1963, The Mineralogical Society 1963