54 BULLETIN 94, UNITED STATES NATIONAL MUSEUM. 



Buchner, 5,000 grams, of which 4,361 grams are accounted for by 

 Wiilling. 



Composition : Olivine, pyroxene, and a feldspar, with a little iron 

 and pyrrhotite. 



Structure : Cliondritic, brecciated, with slickensided surfaces. 



Color : Ash gray. 



CHANDAKAPUR, BERAR, INDIA. No. 28. 



Stone, Cib or Cgb. Four grams from a 5,076-gram mass which 

 fell June 6, 1838. 



CHANTONNAY, VENDEE, FRANCE. No. 176. 



Stone, Cgb. A 12-gram fragment of a black chondritic stone 

 from a mass weighing some 10 kilograms, which fell on August 5, 

 1812. 



CHARCAS, SAN LUIS POTOSI, MEXICO. No. 146. 



Iron, Om. Pyramidal mass polished on four sides and weighing 

 67 grams, from a mass weighing originally some 778,069 grams, 

 known as early as 1804, perhaps identical with Descubridora. 



CHARSONVILLE, NEAR ORLEANS, LOIRET, FRANCE. No. 137. 



Stone, Cga. Fragment with crust, weighing 54 grams, fell No- 

 vember 23, 1810. 



CHATEAU-RENARD, MONTARGIS, LOIRET, FRANCE. No. 312. 



Stone, Cia. Weight, 360 grams. Irregular fragment with crust 

 on one side; shows faults and slickensides. Fell at 1.30 p. m. June 

 12, 1841. Original weight, some 20 kilos; according to Buchner, 30 

 to 40 kilos. The flight was from the southwest to northeast, the 

 fall being accompanied by the usual explosion. On striking the 

 ground, was broken into fragments, the largest of which weighed 

 15 kilos. According to an analysis by Dufrenoy (1841), the stone 

 consists of: 



Per cent. 



Silica (SiOs) 38.18 



Ferrou.s oxide (FeO) 29.44 



Magnesia (MgO) 17. G7 



Mangane.se (Mn) _^ Trace. 



Alumina (AhOa) - 3.82 



Lime (CaO) 0.14 



Iron (Fe) 7.70 



Nickel (Ni) 1.55 



Sulphur (S) .39 



Pota.sh (K2O) .27 



Soda (NaaO) .86 



99.97 



