MINERALS. 281 
Sheds Oe lesa aaice: 100.00 | 99.69 |........].......- 
@ Tis03. » By difference. 
GYROLITE. 
A. Associated with the apophyllite of New Almaden, California. Fibrous. Ana- 
lyzed by F. W. Clarke and described in Bull. 64. 
B. From Fort Point, San Francisco, California. Analyzed by W. T. Schaller, 
and described in Bull. 262. 
APOPHYLLITE. 
From Table Mountain, Golden, Colorado. Described by Cross and Hillebrand in 
Bull. 20. Analyses by W. F. Hillebrand. 
A. Apophyllite. 
B. Decomposition product of apophyllite. 
Oequivalent to F. 2.2. 2 -2.22c erence erect sense essen ea eensersensn erst ccnrn ess ctmenecs 
a By difference. 
