296 ANALYSES OF ROCKS AND MINERALS, 1880-1908. 
@ Loss on ignition. 
GLAUCONITE. 
From Big Goose Canyon, 15 miles southwest of Sheridan, Bighorn Mountains, 
Wyoming. Analysis by George Steiger. Sp. gr., 2.73. 
: Na,0... 
H20 at 100°. . re oe be Ay 
H:0 above 100° Ls Diareereey hie oee em deideuis Serer-eeee 4. 88 
99. 06 
KAOLINITE. 
. From Hockessen, Delaware. Analysis by George Steiger. 
. From Aiken, South Carolina. Analysis by F. W. Clarke. 
From Aiken. Analysis by Steiger. 
. From Talladega, Alabama. Analysis by Charles Catlett. 
. From the Eureka vein, St. Peters Dome, near Pikes Peak, Colorado. Analysis 
by W. F. Hillebrand. Described by Cross and Hillebrand in Bull. 20. 
F. From New Discovery mine, Leadville, Colorado. Analysis by W. F. Hillebrand. 
G. From National Belle mine, Ouray County, Colorado. Analysis by W. F. Hille- 
brand. Sp. gr., 2.611 at 18.5°. Described in Bull. 20. 
HUOme 
43.21 , 46.06 
37.27 | 39.63 
HALLOYSITE. 
A. From Horse Cave, Kentucky. Analysis by H. C. McNeil. 
B. From Edwards County, Texas. Analysis by McNeil. 
C. From the Logan mine, Rico, Colorado. Analysis by W. F. Hillebrand. 
