Bravoite from Mill Close Mine, Derbyshire

F. A. Bannister and M. H. Hey

Mineral Department, British Museum

Mineralogical Magazine; September 1940 v. 25; no. 170; p. 609-614; DOI: 10.1180/minmag.1940.025.170.05
© 1940, The Mineralogical Society
Mineralogical Society (www.minersoc.org)