Twelfth List of New Mineral Names1

L. J. Spencer
Keeper of Minerals in the British Museum of Natural History.
1Previous lists of this series have been given at the ends of vols. 11–21 (1897–1928) of this Magazine. The 1,506 names in the first ten lists are included in one alphabetical arrangement in the General Index (1926) to vols. 11–20 (1895–1925). References to ‘Mineralogical Abstracts’ are given in the form [M.A. 4–496].

Mineralogical Magazine; September 1931 v. 22; no. 134; p. 614-632; DOI: 10.1180/minmag.1931.022.134.05
© 1931, The Mineralogical Society
Mineralogical Society (www.minersoc.org)