68 



Field Columbian Museum — Geology, Vol. III. 



ANALYSES OF IRON METEORITES. 



I. HEXAHEDRITES. 



The hexahedrites are characterized by cubic cleavage and Xeu- 

 mann lines. They consist of the single alloy kamacite, the composi- 

 tion of which, FCj^ Ni, shows a close approximation to the iron-nickel 

 content of the hexadedrites. The content of phosphorus in the hexa- 

 hedrites is usually relatively high, }( to y^ percent. This appears char- 



XoRMAL 



