272 ANALYSES OF ROCKS AND MINERALS, 1880-1908. 
ZOISITE. 
A. Zoisite from gabbro, east shaft of waterworks extension, Washington, D. C. 
Analysis by F. W. Clarke; iron determination by R. B. Riggs. 
B. Rose-red zoisite, James’s mica mine, Yancey County, North Carolina. Sp. gr., 
3.352 at 27°. Analysis by L. G. Eakins. 
C. Saussurite from gabbro, Sacramento River road, 37 miles north of Pit River ferry, 
Shasta County, California. Sp. gr., 3.148. Analysis by F. W. Clarke. See Bull. 9. 
D. Saussurite from the Saas Valley, Switzerland. Pale greenish. Sp. gr., 3.37. 
Analysis by F. W. Clarke; iron determination by R. B. Riggs. 
99.16 | 100.21 | 100. 33 | 99. 81 
EPIDOTE. 
A. Dark-gray brilliant crystals from Phippsburg, Maine. Analyzed by W. F. 
Hillebrand and described in Bull. 167. 
B, C. Epidote from Italian Mountain, Gunnison County, Colorado. Sp. gr.: B, 
3.448 at 25°; C, 3.452 at 17°. Analyses by L. G. Eakins. 
D. From Shasta County, California. Analysis by W. T. Schaller. 
Ka! 
H20 at 105°. .... 
PIEDMONTITE. 
From the rhyolite of Pine Mountain, near Monterey station, Maryland. Contains 
a little admixed quartz. Analysis by W. F. Hillebrand. 
