gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1986.050.356.27 Mineralogical Notes Geikielite and Perovskite in Serpentine-Brucite Marble from Baltistan, Northern Areas (Kashmir), Pakistan Cressey Gordon Department of Mineralogy, British Museum (Natural History), Cromwell Road, London SW7 5BD 6 1986 50 356 345 346 Copyright © 1986, The Mineralogical Society 1986 geikielite reflectance data perovskite serpentine-marble Baltistan Pakistan