The West American Scientist. 
Vol. XII. No, 7. December, 1901. Whole No. 108. (i 
Established 1884. line occur in the lepidolite at Pala. A 
THE WEST AMERICAN SCIENTIST. few crystals of gem quality, resembling 
pois oa nthly. those from the Isle of Elbe have been 
Price 10c a copy; ; $10 for life. found in the county. he largest 
wy Charles Russell Or Greuit ” rst Street, ervsiiala measure two inches in di- 
U. am 
San Diego, Califor ia 
TOURMALINE, AGEN, beberbeer oe quite 
co in San Diego county and in 
e tourmaline is one of the most in- Baja California, dtesecciuenaae through 
erecting of gems, yet but little known, quartz or feldspar. Crystals six inches 
especially under its true name, its di- jn diameter have been observed. 
versity of color having enabled it tO p, 4 © Hamlin oubiisidd in 1873 
pass under a multitude of names, a small book, ‘The Tourmaline,’ of 107” 
Black and brow tourmaline are pages and 4 lore lates, devot 
usually opaque, and no mainly to the beautiful crystals of this 
hence have oO 
valu s gems. The transparent stones peach ae fund tn Mattie. 1 tee page 
available for gems are found in Maine, a 
Connecticut and California, an - in 
i light ° 
Brazil, Russia and Ceylon. col- ‘It seems as though the li o 
ered varieties are a Merieatis un- heaven was reauired in the production 
Rik htee followin of the gems, as it is for the marvellous 
ACHROITE lonloniees ee ne)— 1 
dis covered a tation. Thus far, nearly all of our 
of , 
a” 
ed with other lithia tourmalines the cheng of the earth; and it 
E The em- ange as ain gh the contact of the « 
& blem of the Brazilian clergy, is not an air or a ray of sunlight was required 
ld proper, a e colored to build up their forms and perfect 
} tourmaline. A fe reen tourmalines lines. ra) in the, thousand mines 
: ve been fo i n Diego county, along the slope of the Rocky Mountains 
in the lithia mine at Pala, and in sev- the a Janae st vanishes eater the depth 
eral other localities, some of them of of 20 or 30 feet, while the same quartz 
the finest gem quality: One beautiful cepa in te beautiful pac definite 5. 
specimen’ showing a perfectly flat but colorless forms in the depths of the 
termination, is b er e deepest .min a the 
end, then a. band of achroite shading sapphire belong to superficial terrains; 
into rubellite ne aa fractur An- and we find that the rule of shallow 
other specimen is en at the center, deposit relates to m the ge 
with a thin outer ian of topaz B eryl of Si- 
lue tourmalines a beria, the ehrysoprase of Silesia, the 
eported as occuring in San Diego turquoise of Thibet, or the opals of 
of 
RUBI LLITE—Beautiful radiations the earth, and are never found below “ 
and masses of crystals of pink tourma- a certain depth.’ . 
