HANDBOOK OF THE METEORITE COLLECTIONS. 



The silicate portion yielded : 



147 



Constituents. 



SUica(SlOi) 



Protoxide of iron (FeO). 



Magnesia (MgO) 



Sulphide of iron (FeS) . . 



Alumina (AI2O3) 



Alkalies 



Soluble 



In HCl. 



52.30. 



Per cent. 

 40.61 

 19.21 

 36.34 

 3.06 



Insoluble 



in HCl. 



47.70. 



Per cent. 

 56.25 

 13.02 

 24.14 



2.01 

 2.10 



97.52 



Gifts of A. C. Hamlin and L. T. Chamberlain. 

 References. — C. U. Shepard, Amer. Journ. Sci., vol. 2, 1871, p. 133. 

 J. L. Smith, Amer. Journ. Sci., vol. 2, 1871, p. 200. 



SEELiSGEN, BRANDENBTTBG, PRUSSIA. No, 80. 



Iron, Ogg. Weight, 105 grams. Etched section showing irregular 

 plates. Date of fall unknown. Found in 1847. Original weight, 

 102 kilograms. Composition as given by Duflos : 



Per cent. 



Iron (Fe) 90.000 



Nickel (Ni) 5.308 



Cobalt (Co) .434 



Manganese (Mn) .912 



Copper (Cu) .104 



Silica (SiO.) 1.157 



Residue . 834 



98. 749 

 As given by Eammelsberg: 



Per cent. 



Iron (Fe) 92.33 



Nicliel (Ni) 6.23 



Cobalt (Co) .67 



Silicon (Si) .02 



Carbon (C) .52 



Residue . 18 



99.95 



Specific gravity, 7.63-7.71. 



Reference.— K. Duflos, Pogg. Ann., ser. 3, vol. 74, 1848, p. 61. 



SELMA, DALLAS COXINTY, ALABAMA. No. 366. 



Stone, Cc. Weight, 120 grams. Irregular fragment, portion of a 

 complete individual weighing some 140.6 kilograms (310 jjounds), 

 being therefore one of the largest of the stony meteorites. Found 

 in 1907. Nothing definitely known regarding its faU. A dense, dark 



