588 MEDICINE-MEN OF THE APACHE. 
CHALCHIHUITL, 
The articles of dress depicted in this paper are believed to repre- 
sent all those which exclusively belong to the office of the Apache 
“diyi” or “izze-nantan.” Of late years it can not be said that every 
medicine-man has all these articles, but most of them will be found in 
the possession of the man in full practice. 
No matter what the medicine-man may lack, he will, if it be possible, 
provide himself with some of the impure malachite known to the whites 
of the Southwest as turquoise. In the malachite veins the latter stone 
Front view. Rear view. 
Fie. 444.—Tzi-daltai amulet (Apache). 
is sometimes found and is often of good quality, but the difference be- 
tween the two is apparent upon the slightest examimation. The color of 
the malachite is a pea green, that of the turquoise a pale sky blue. The 
chemical composition of the former is a carbonate of copper, mixed with 
earthy impurities; that of the latter, a phosphate of alumina, colored 
with the oxide of copper. The use of this malachite was widespread. 
Under the name of chalchihuitl or chalchihuite, it appears with fre- 
