gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1992.056.383.21 Book Reviews Mixtures and Mineral Reactions Parsons I. 6 1992 56 383 282 283 Ganguly J. Saxena S. K. Mixtures and Mineral Reactions Berlin, Heidelberg and New York Springer-Verlag 1988 Price DM108.00 Copyright © 1992, The Mineralogical Society 1992