On Collophane in Thames Gravel

S. E. Ellis and G. F. Claringbull

Department of Mineralogy, British Museum.

Mineralogical Magazine; June 1951 v. 29; no. 213; p. 615-619; DOI: 10.1180/minmag.1951.029.213.08
© 1951, The Mineralogical Society
Mineralogical Society (www.minersoc.org)