Beryllium Minerals (Euclase and Phenakite) from Africa

L. J. Spencer
Keeper of Minerals in the British Museum of Natural History

Mineralogical Magazine; September 1934 v. 23; no. 146; p. 616-623; DOI: 10.1180/minmag.1934.023.146.05
© 1934, The Mineralogical Society
Mineralogical Society (www.minersoc.org)