MINERALS. | 299 
XANTHITANE. 
_From Green River, Henderson County, North Carolina. Alteration product of 
titanite. Analyzed by L. G. Eakins, and described in Bull. 60. Sp. gr., 2.941 at 
24°. Material dried at 100°. 
TITANITE. 
Pale-yellow, semitranslucent. From the waterworks tunnel, Washington, D. C. 
Occurs embedded in prochlorite. Analysis by F. W. Clarke. Sp. er., 3.452. 
TSCHEFFKINITE. 
From Bedford County, Virginia. Analyzed by L. G. Eakins and described by him 
in Bull. 90. 
A. Lustrous portion. Sp. gr., 4.33 at 27°. 
B. Dull portion. Sp. gr., 4.38 at 22°.2. 
ASTROPHYLLITE. 
From St. Peters Dome, near Pikes Peak, Colorado. Analyzed by L. G. Eakins 
and described by him in Bull. 90. 
