Twenty-First List of New Mineral Names

L. J. Spencer

Formerly Keeper of Minerals in the British Museum.

Mineralogical Magazine; September 1958 v. 31; no. 242; p. 951-977; DOI: 10.1180/minmag.1958.031.242.09
© 1958, The Mineralogical Society
Mineralogical Society (www.minersoc.org)