19 
CHALCOPY RITE — Copper pyrites 
exist in large deposits in Baja Califor- 
ia, j i ie ~ now be- 
ing developed ne 
CHRYSOCOLLA_ Pomc ne copper, 
composed of 45.2 per cent copper oxide, 
r cent silica, and 20.5 
Y Beka ifu 
Cal- 
metimes mistaken for 
Be esoPRisn— rie Rages! ae 
Visalia, Cal, yi f 
we 
th 
Se 
ett 
Bs 
oO 
oS 
et 
B 
ce 
no 
or. & 
ot 
S 
i] 
6 
Er 
i) 
— 
ot 
a4 
mh 
ar 
ctr 
ml 
=) 
A 
is a slucent, pale 
ts Rn ercen, or yellow- eres chalced- 
PERNAGAR—Composttion 86.2 per 
£ mercury, 13 
rth over one million 
CORU UND vn ag eg 
Angeles county by D 
~  CUPRI ed dxide ee copper: 
reported from the Colorado 
desert. 
— CYANITE ee quantities of smal] 
rystals occur in the 
copner; 
gem value have 
DRITE — “Footpri rints 
fern’: some be 
been Cp gg 
by M 
of h 
autiful specimens have 
on the Majave desert, 
ge 
oa spain: was re- 
eported from San 
_ Diego county. 
The West American Scientist. 
k 
from Los 
t 
red ance 
20 
DUMORTIERITE: Reported by Dur- 
den as occuring 25 miles from Ogilby, 
on the Colorado desert. 
A beautiful variety is found near San 
Diego. 
EMER 
True cas 
North Bethe na. 
E—The United States pro- 
uced $250 worth of this semi-precious 
Crystals in masses have 
have been found in 
+ 
mo, and associated with crystals of 
calcite from near the coast south of 
the report of 
the ‘state ’ mineralogist for 1882, page 
207, and the fourth report, page 
279 
FL UORITE—Colorado desert, 
massive form 
GAL NAC bead sulphide, composed 
of about 86.6 3 
in <4 
a d 
in some portions of the Colorado 
or sat ne a see or less quant- 
ity o d ands ak 
oe andite. 
Prue, Conus nvare carbon, report- 
ed from Utah and Southern California. 
GRAPH HITE—Plumbago or black lead 
is lik mond, wit 
‘alifornia, in some abundance, re- 
mains ian Yaar fig It also occurs in 
other S of the country, but no 
sufficient quantities am be of any com- 
mercial a rian 
GYPSU ESulphite of lime, 
when 
pulverized the p 
cent wat 
20. 
ery a citar near Palenine on the 
