HANDBOOK OF THE METEORITE COLLECTIONS. 105 



MERCEDITAS, VALPARAISO, CHILE; also known as El Chanaralino. No. 818. 



Iron, Om. Weight, 206 grams. Slice about 11 by 9 cm. by 5 mm. 

 Etched and showing Widmanstatten figures. Date of fall unknown ; 

 found in 1884 and described in 1890. Original weight, 43.4 kilograms. 



Reference.— Et. E. Howell, Proc. Rochester Acad. Sci., vol. 1, 1890, 

 p. 99. 



HINAS GERAES, BRAZIL. No. 109. 



Stone, Cwa. Fragment weighing 11 grams. 



MINGY, TANEY COUNTY, MISSOURI. Nos. 128, 207, 353. 



Stony-iron, Mesosiderite. Weight, 268 grams. In three pieces, 

 weighing 34 grams, 108 grams, and 126 grams. Shows the reticulated 

 metallic portion holding the siliceous material consisting of olivine, 

 bronzite, augite, and plagioclase. Date of fall uncertain. First de- 

 scribed in 1860. Original mass weighed 89.342 kilograms (197 

 pounds. Analysis by Whitfield yielded: 



Metallic portion: Percent. 



Iron (Fe) 89.41 



Nickel (Ni) 10.41 



Cobalt (Co) .29 



Phosphorus (P) .16 



100. 27 

 Stony portion: 



Silica (SiO^) 45.88 



Alumina (AI.O3) 7.89 



Ferrous oxide (FeO) .19.73 



Lime (CaO) 6.02 



Magnesia (MgO) 17.96 



Nickel sulphide (NiS) 1.67 



Ferrous sulphide (FeS) .54 



99.69 



The silicate portion yielded: 



