Wulfenite from Ysbyty Ystwyth, Cardiganshire

G. Ryback and G. Saville

36 Hainthorpe Road, London, S.E.27.
Department of Chemical Engineering and Chemical Technology, Imperial College, London, S. W.7.

Mineralogical Magazine; September 1967 v. 36; no. 279; p. 457-459; DOI: 10.1180/minmag.1967.036.279.21
© 1967, The Mineralogical Society
Mineralogical Society (www.minersoc.org)