306 ANALYSES OF ROCKS AND MINERALS, 1880-1908. 
CLINOCLASITE. 
From the Mammoth mine, Tintic district, Utah. Described by Hillebrand and 
Washington in Bull. 55. Analyses by W. F. Hillebrand. Sp. gr., 4.38 at 19°. 
aAssumed the same as in A. 
CONICHALCITE. 
From the American Eagle mine, Tintic district, Utah. 
brand, with description in Bull. 20. 
TYROLITE. 
From the Mammoth mine, Tintic district, Utah. Described by Hillebrand and 
Washington in Bull. 55. Analyses by W. F. Hillebrand. Sp. gr., 3.27 at 20° .5. 
CHENEVIXITE. 
From the American Eagle mine, Tintic district, Utah. Analyzed by W. F. Hille- 
brand and described in Bull. 20. 
MIXITE. 
From the Mammoth mine, Tintic district, Utah. Described by Hillebrand and 
Washington in Bull. 55. Analysis by W. F. Hillebrand. 
