Afwillite, a New Hydrous Calcium Silicate, from Dutoitspan Mine, Kimberley, South Africa

John Parry and F. E. Wright
The Laboratory, De Beers Consolidated Mines, Ltd., Kimberley, Union of South Africa
Geophysical Laboratory, Carnegie Institution of Washington, D.C., U.S.A.

Mineralogical Magazine; March 1925 v. 20; no. 108; p. 277-286; DOI: 10.1180/minmag.1925.020.108.02
© 1925, The Mineralogical Society
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