Corundum Twins from Transvaal

L. J. Spencer

Deputy-Keeper in the Mineral Department, British Museum (Natural History)

Mineralogical Magazine; September 1927 v. 21; no. 118; p. 329-336; DOI: 10.1180/minmag.1927.021.118.06
© 1927, The Mineralogical Society
Mineralogical Society (www.minersoc.org)