A Simple Graphic Method for Determining Extinctionangles in Sections of Biaxial Crystals

H. G. Smith
Demonstrator of Geology, Imperial College of Science and Technology

Mineralogical Magazine; May 1912 v. 16; no. 75; p. 232-235; DOI: 10.1180/minmag.1912.016.75.08
© 1912, The Mineralogical Society
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