Fibrolite (= Sillimanite) as a Gem-Stone from Burma and Ceylon1

Fibrolite (= Sillimanite) as a Gem-Stone from Burma and Ceylon¹

L. J. Spencer

Assistant in the Mineral Department of the British Museum

¹Communicated by permission of the Trustees of the British Museum.

Mineralogical Magazine; December 1920 v. 19; no. 91; p. 107-112; DOI: 10.1180/minmag.1920.019.91.04
© 1920, The Mineralogical Society
Mineralogical Society (www.minersoc.org)