78 



Report on Meteorites. 



tion of acids. The etched surface is illustrated in the accompa- 

 nying figure. The pattern is strikingly peculiar, as well as beau- 

 tiful. The bright shining veins, which resist the action of the 

 acid, are rarely nearer together than the -^th or ? l fih of an inch ; 



Fig. 8. 



and these in place of being continuous, are interrupted at frequent 

 intervals. In their course also, they frequently exhibit little tri- 

 angular enlargements, the sides of the triangles curving inwards. 

 The surface included between the shining lines, and which forms 

 at least T 9 oths of the whole, is every where finely freckled as if 

 depending upon a granular texture, and even bears some analogy 

 to what is familiarly known as crystallized tin, or Moiree met- 



allique. 



Its hardness is very unusual, no iron with which I am ac- 

 quainted offering on the whole, so much resistance to the opera- 

 tion of slitting. Mr. Rockwell gives as its composition, iron 

 92-291, and nickel 8-146. My own result in a single analysis, is 

 as follows : 



i 



Iron 



Nickel, 



Insoluble 



i 



Sulphur and loss, 



95-200 

 2125 



•500 

 2175 



100-000 



