gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1932.023.138.01 On Bultfonteinite, a New Fluorine-Bearing Hydrous Calcium Silicate from South Africa Parry John 1 Williams Alpheus F. chemical study, De Beers Consolidated Mines, Kimberley, Union of South Africa Wright F. E. crystallographical and optical study, Geophysical Laboratory, Carnegie Institution of Washington, D.C.

Mr. John Parry, Chief Chemist of the De Beers Consolidated Mines at Kimberley, died on October 6, 1931.

 9 1932 23 138 145 162 Copyright © 1932, The Mineralogical Society 1932