The Identity of Erionite and Offretite

M. H. Hey and E. E. Fejer

Department of Mineralogy, British Museum (Natural History), London, S. W. 7.

Mineralogical Magazine; March 1962 v. 33; no. 256; p. 66-67; DOI: 10.1180/minmag.1962.033.256.11
© 1962, The Mineralogical Society
Mineralogical Society (www.minersoc.org)