236 ANALYSES OF ROCKS AND MINERALS, 1880-1908. 
C. Silicates soluble in hydrochloric acid, calculated to 100 per cent. 
D. Insoluble silicates, calculated to 100 per cent. 
9. BLUFF, FAYETTE COUNTY, TEXAS. 
Analyzed by J. E. Whitfield, record No. 824, and described in Bull. 60,-p. 107. 
Sp. er., 3.510. Examined microscopically by G. P. Merrill, who reports, in addition 
to nickel-iron and pyrrhotite, olivine, enstatite, and what appears to be augite or an 
allied pyroxene. See Am. Jour. Sci., 3d ser., vol. 36, August, 1888. 
A. Total analysis. . 
B. Nickel-iron (5.67 per cent of total). 
C. Part soluble in hydrochloric acid, calculated to 100 per cent (60.62 per cent of 
total). 
D. Insoluble part, calculated to 100 per cent (33.3 per cent of total). 
This meteorite also contained a dark vein of specific gravity 3.585, which carried 
2.30 per cent of metallic iron. Analyses, made on less than 0.4 gram of material, 
gave as follows, recalculated to 100 per cent: 
E. Soluble in hydrochloric acid, metal deducted. 
F. Insoluble. 
