SEARSMONT (MAINE) METEORITE: 



(Pell Mat 21, 1871.) 

 MINEKALOGICAL AND CHEMICAL COMPOSITION. 



Immediately after the fall of this meteoric stone a portion 

 of it was placed in my hands for examination. The circum- 

 stances accompanying its fall, as well as its physical characters, 

 have been described by Prof. Shepard. 



It resembles very closely the Mauerkirchen stone that fell 

 in 1768, the crust of the specimens corresponding quite closely 

 to that in thickness and appearance; the Mauerkirchen stone, 

 however, has not well-marked globules like that of Searsmont ; 

 in this respect it corresponds more nearly with the Aussun, as 

 already stated by Prof. Shepard. 



The specific gravity of the specimen examined was 3.701. 

 The nickeliferous iron and stony matter were separated me- 

 chanically for analysis. One hundred parts of the meteorite 



gave 



Stony matter (including a little sulphuret of iron).. 85.38 

 Nickeliferous iron 14.62 



The iron afforded 



Iron 90.02 



Nickel 9.05 



Cobalt 43 



Phosphorus and copper were not estimated. The stony 



part, treated with a mixture of hydrochloric and nitric acids, 



gave 



Soluble in the acid 52.3 



Insoluble •• 47.7 



The soluble portion afforded 



Silica .' , : 40.61 



Protoxide of iron 19.21 



Magnesia 36.34 



Sulpburet of iron 3.06 



Leaving out the sulphuret, which is obviously only a me- 

 chanical mixture, this soluble part is evidently an olivine, 



