Brammallite (Sodium-Illite), a New Mineral from Llandebie, South Wales

F. A. Bannister

Deputy Keeper, Mineral Department, British Museum.

Mineralogical Magazine; March 1943 v. 26; no. 180; p. 304-307; DOI: 10.1180/minmag.1943.026.180.04
© 1943, The Mineralogical Society
Mineralogical Society (www.minersoc.org)