On the Structure-Planes of Corundum

Professor John W. Judd

C.B., LL.D., F.R.S., etc.

Mineralogical Magazine; September 1895 v. 11; no. 50; p. 49-55; DOI: 10.1180/minmag.1895.011.50.01
© 1895, The Mineralogical Society
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