Twelve years ago the writer contrib- 
uted to the San Diego Union a brief an- 
notated list of the minerals then json 
ed with other lithia ashlee : 
ACTINOLITE — Abundant "8 the 
Soe desert. 
GATE—Occurs in various itm in 
Stier ern ae ig ia, but not com- 
mercial quantity. The wOHee supply 
is principally eines from 
and Brazil, w ss o 
polished in Germ 
AST ER An abundance of ap- 
parently good quality - this form of 
orado desert, 
Uruguay 
mainly cut and 
Allen 
num, 
anthanum, and yttrium, together with 
once Silica, lime, and iron, with 
trac esium, manganese, soda, 
- copper, is occurs in 
_ Pennsylvania, New Jersey, an in 
n $ Bernardino 
county; the iS co oe been valued 
as high as $50 apiece 
7) 
per pound—being pop ularly called 
rubies—like the eagtn bg — aR and 
N which 
much superior to the Somos] teal 
Sees light. 
LUM kalinite. 
AMBER—See succinite 
The West American Scientist. 
be 
by 
t 
16 
Al YGONITE — Associated with 
aes in the lithia mines of the 
county. 
AMETHYST—Deep purple, 
violet fading almost int 
line variety of quartz. Colo orado Held 
ecimens. May be expected 
r in ssa of the mines of the 
Colorado cn 
ANGL Ti Aaiile of lead has 
i reported. vale m the Colorado desert 
n some abu nee; composition about 
73, 6 per ce gat aside of lead, and 26.4 per 
cent sulphuric 
ANTIMONY— re ore carrying about 
ee 
o pink, crystl- 
mine at San An 
tonio, Baja California not far from 
Bs Santos Bae It was formerly 
. O. Hovey. of the American Mu- 
seum om liatural History, writes 
“I find no such name as antonite in 
D.ina’s System ot Mineralogy, 1892, 6th 
ed., or in the Appendix thereto, 1899, or 
in Foote’s Complete Mineral Catalogne 
€ mineral on merely superficial 
examination looks to me like some form 
of sericite.”’ 
ARGENTITE—Silver glance is com- 
posed of about 87.7 per “ea silver and 
12.9 per cent Peecint e of the most 
valuabl mi silver 
T-- Phosphate of lime has 
s been 
extent, and 
the ee ian manufactured into bo iler 
covering, etc. 
on 
is coast seems not to justify their 
development at presen 
ASPHALTU curs native at var- 
ious points along the coast from San 
sia o northward. California eter 
n 1896 enarly 75, ponies worth a 
half a million 
The notion of ahi asphalt artifici- 
ally from herrings and sawdust seems so 
