gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1946.027.194.07 Note on the Determination of the Orientation of Section Planes of Meteoritic Irons Terpstra P. Professor of Crystallography, University of Groningen 9 1946 27 194 263 265 Copyright © 1946, The Mineralogical Society 1946 Summary

A simple graphical construction is described for the orientation of two etched faces M and N of a meteoritic iron from the Widmanstetter figures.