A Note on Cone-in-Cone Structure

Professor T. G. Bonney

D.Sc., LL.D., F.R.S., etc.

Mineralogical Magazine; April 1895 v. 11; no. 49; p. 24-27; DOI: 10.1180/minmag.1895.011.49.05
© 1895, The Mineralogical Society
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