The Relation Between Different Laws of Twinning That Result in the Same Twin-Crystal

John William Evans

Lecturer on Petrology, Imperial College of Science and Technology; and Birkbeck College

Mineralogical Magazine; August 1918 v. 18; no. 85; p. 224-243; DOI: 10.1180/minmag.1918.018.85.04
© 1918, The Mineralogical Society
Mineralogical Society (www.minersoc.org)