Pyrophanite from the Benallt Mine, Rhiw, Carnarvonshire

W. Campbell Smith and G. F. Claringbull

Department of Mineralogy, British Museum

Mineralogical Magazine; June 1947 v. 28; no. 197; p. 108-110; DOI: 10.1180/minmag.1947.028.197.06
© 1947, The Mineralogical Society
Mineralogical Society (www.minersoc.org)