Pennantite, a New Manganese-Rich Chlorite from Benallt Mine, Rhiw, Carnarvonshire

W. Campbell Smith, F. A. Bannister and Max H. Hey

Department of Mineralogy, British Museum

Mineralogical Magazine; September 1946 v. 27; no. 194; p. 217-220; DOI: 10.1180/minmag.1946.027.194.01
© 1946, The Mineralogical Society
Mineralogical Society (www.minersoc.org)