140 BULLETIN 94, UNITED STATES NATIONAL MUSEUM. 



Vaiiqiielin's analysis, the only thus far made, is of historical interest 

 only. It is as follows: 



Per cent. 

 Silica (SiOO 46 



Iron oxide (FcaOs) 38 



Magnesia (MgO) 15 



Nickel (Ni) 2 



Lime (CaO) 2 



103 



The presence of sulphur was also recognized. 



Reference.— M. De Dree, Tilloch's Philosophical Magazine, Lon- 

 don, vol. 16, 1803, p. 217. 



SALT LAKE CITY, UTAH. No. 107. 



Stone, Cgb. Three grams from a stone weighing 175 grams which 

 was found in 1869. 



SAMS VALLEY, JACKSON COUNTY, OEEGON. No. 510. 



Iron, Om. Ehomboidal fragment weighing 22 grams. Two faces 

 at angles of 45° to one another, etched. This is the fragment shown 

 in figure 3 of Foote's paper cited below. From a mass weighing 

 6,900 grams (15^ pounds), found in 1894. Analysis by J. E. Whit- 

 field yielded: 



Per cent. 



Silicon (Si) 0.009 



Sulphur (S) -056 



Nickel (Ni) 9.160 



Cobalt (Co) -640 



Copper (C<i) -016 



Carbon (C) -100 



Iron (Pe) 83.800 



93. 781 

 Schreibersite- 6. 194 



99. 975 



Analysis of the schreibersite yielded: Iron, 65.13; nickel, 20.93; 

 phosphorus, 13.94. 



Reference.— \N. M. Foote, Amer. Journ. Sci., vol, 39, 1915, p. 81. 



SAN ANGELO, TOM GEEEN COUNTY, TEXAS. NO. 256. 



Iron, Om. Weight, 607 grams. Slab 7 by 25 cm., etched to show 

 structure. Date of fall unknown; found July, 1897. Weight of 

 original mass, 88 kilograms (194 pounds). Composition: 



