On Idocrase and Other Minerals Recently Found Near Zermatt

W. J. Lewis

Professor of Mineralogy in the University of Cambridge

Mineralogical Magazine; July 1886 v. 7; no. 32; p. 9; DOI: 10.1180/minmag.1886.007.32.02
© 1886, The Mineralogical Society
Mineralogical Society (www.minersoc.org)