The San Francisco call. [volume] (San Francisco [Calif.]) 1895-1913, 1904-08-01


no the California exhibit. In the con-
tstruction of this. exhibit twenty three
I tons Of material were used. The. .ex-
hicIt is twelve feet liz diameter at the
! moor and rises, dome-shap ped, to a
insight Of nine feet: siurnIounting the
dome IS ascolumn sixteen feet in heient
ana TWO feet in Diameter, or a total
/ htlsht OF twenty-five feet. = ON. tie
! apex OF the column Is ball three feet
: III diameter. in the center of which IS
a pelt Of crystallized quartz. Below
the moor ans inverted dome extends 10
{ Il depth OF eight feet thus forming a:
grotto Ifxl2 feet. The gofto mas four
openings, from, which view of the
interior, lighted by electricity can. be
: mao. The lepfdOlite used is OF var1e-
gated colors, from the white ard Sill
very gray TO violet and with the PINK.
green and black crystals OF rubellite,
IeIm q most beautiful combination. :.
While il is recognized that the pro
cuctlon Of iithia mica Is Of Compare
I i've minor Importance, it, being a 1iew
industry in California lepidolite n T
| TINS time is exciting much interest on
account Of the gems tournfaline and
Kuhzite, which are found in the. for
nation: During the year 1902 tour
inailhes TO the value of $l50.OO0 were
produced, while lithia mica to the value
i a.
tlstlcs for 1902 will undoubt edIy show
large increase in.the output of tour.
Haunes' and to this will be added. a
large production OF lsunzite.- San Diego
county IS the only place In the world
where the latter gem has been found.
POTASH salts, besides the Nthia salts.
are also contained in the ore. Since
TIE discoveries OF gems in this fornla-
u I, which caused much local excite
ments the formation has beo,, traced.
and several new deposits have been
found. The lepilOlite exhibit was coli
lected and shipped by the county OF
san Diego. not for the purpose OF ad
vertistnE any particular deposit. OF
which there are several hut in a gem
erai way TO call attention To the min.
eral depnsits of the county.
SAN DIEGO'S- GEMS.
=. Close TO the lepidolite exhibit are two
cases Of gems--tourmalires and kun
zite. These are in the rough and with
the formation in which they are found.
The cut and polished gems are also
exhibited These collections were
loaned. Every variety Of tourTnalIne
and some exceptionally large and VAL
liable specimens Of kunzite are dis.
played.
The borax exhibit occupies n snace
OK 2Ox2O feet, ard adjcIns the lepido-
lite, and includes both crude and re.
nned boraS, showing the natter in sew.
erat different forms. Booths con-
structed of crystallized borax serve to
acd attractiveness. Moving pictures.
Death Valley and vicinity
methods of mining borax, and other
california views, are feature of this
display. California produces practice
ally all the borax consumed in the
United States, having produced in 1902
.ot borax and boric acid II POP tons. at
value of 81, 234, 1894.
Inc Pacific Coast Borax Cempany
is also presenting one of the novel
features Of the fair, which serves TO
advertise California borax in connec-.-
ton with the display in the Mines
building. A twenty-mule team, with
main wagon trailer and water wagon,
are driven about the grounds by Dor
AK Bill" Parkinson, whose driving
with jerk line" excites the wonder.
ment OF the public. Free rides are
given to those wishing to enjoy the
novelty of riding on a desert auto"
and behind one Of the finest mule teams
California can produce. The team and
wagons were brought from San Ber-
nardino County.
One one side of the borax are cases
devoted to silver, lead and iron ores
and to minerals Of a miscellaneous ma
ture of minor Importance. Large
stands are also filled with iron and
manganese ores. Here also is a case
containing gold quartz specimens and
placer gold of which about $4,000 worth
are shown. There are also plaster casts
Of various historical nuggets which
have been found, among which is the
Marshall nugget.
Back OF the borax exhibit Nevada