25 The West American Scientist. 26 
quartz or feldspar. sep cwenan = inches 
in diameter have been obse 
TALC—A foliated variety cebbae at 
Elsinore, Cal. See anton 4: 
, Braz. 
URMALINE oa nek xi 
ian emerald, indicolite, rubellite and 
e w 
Mojave desert region northwest of 
Wands rbilt. 
WULFENITE—Very fine crystals of 
molybdate of lead were obtained by 
the writer in 1888 from some of the 
mines ascagg of Salton, in the Colo- 
rado deser 
METALS MORE PRECIOUS THAN 
GOLD. 
The value in 1898 per gram is given 
—as quoted in the Eurepean market. 
Barium, $5-71 
Beryllium, crystals, $9 o4 
Boron, crystals, $1.43 
AE —A rare metal contained 
in minute quantities in lepidolite. It 
oo sie useful if an available sup- 
ply e 
eoictiea: $4.28 
Cerium, $2.02 
Didymium, $2.8¢ 
Erbium, $3.06 
Gallium, $615 per grain. 
Iridium, $r. 
Lanthanm, caeniet. $4.28 
Lithium, 
a $3 i 
Osm 
Palla 87 per kg. for sheet and 
raga $2.8 
_ RUBIDIUM—One . ae rare Seas 
occu a 
ot wc Aoi ey hog lithia wine 
cea a $1. . 
Strontium, $6.1 
secticag ta es 
Titanium, ¢ 
Vanadium, $1.43 
ttrium, $3.33 
Zscontain; rae 
PERIODICALS. 
FARM A r 
SENTINEL: Ramona, Cal. 
VERMONT JOURNAL: Windsor, Vt. 
BIOGRAPHICAL. 
ROTHWELL, RICHA 
Died ory ir, 1901. Editor ‘for years of 
the Engine g and Mining Journal, and 
of the Saciat mining publication, Mineral 
Industry, and well pee 8 favora — 
in every civilized country whe y nee 
exists. 
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number 
HEALTH-CULTURE is a practical wide- 
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