﻿292 Huntington — Crystalline Structure of Iron Meteorites. 



under the microscope showing most beautiful markings, all 

 parallel either to the cube edges or to those of the octahedron. 

 Most of the lines were so fine as to appear like the finest stria- 

 tions, while a few, on the other hand, were coarse enough to be 

 recognized by a pocket lens as consisting of plates with all the 

 characters of the finer Widmanstattian figures. 



Coahuila, Mexico. 



In actual contact with the crystal just described appeared an 

 acute rhombic prism with an angle of about 120°. This prism, 

 shown of twice its size in fig. 6, could only be separated by 

 the hammer over the area abed, and the rest of the face had 

 to be continued by cutting through a very compact part of the 

 specimen, a b, b c and c d are the natural crystal edges, and 

 the three faces of the prism not shown in the figure were 



