gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1998.62A.1.270 An Experimental Study of Quartz Precipitation and Dissolution Rates at 200°C Gautier J.-M. Schott J. Oelkers E. H. Laboratoire de Géochimie, CNRS-OMP-Université Paul Sabatier, 38 rue des Trente-Six-Ponts, 31400 Toulouse, France 1998 62A 1 509 510 Copyright © 1998, The Mineralogical Society 1998