The Arizona sentinel. [volume] (Arizona City [Yuma], Yuma County, A.T. [Ariz.]) 1872-1911, 1879-05-03
ARIZONA SENTINEL.
Silver Ores.

In this numb propose to give names
and peculiarities Of quite variety of
silver-bearing ores, believing that such
information NJ the present time is desira-
ble.-
At the outset wish to give due credit
to Dana for his valuable work on Miner
alogy, especially his afth edition.
Antimonial Siver-called Dyscrdsae-
Lustre metallic; color and streak sll'e'-
white, inclinlng to tin-whitei sometiineS
furnished yellow or blackish; Opaque
fracture uneven. A rery valuable ore %
silver, but. unfortunately, quite ra'e'
Antimonial SulpEuets-Severai OWL
-, ,h..s... ,,a.. called Freieslebenite.
Lustre metallic, light steel gray, inclined
,o silver white; sometimes biaekish lead
gray. YIELDS easily to the knife; not unlike
| black-lead.
Pyrostilpnite-Lustre pearly .adamantiDe,
color hyacinth-red. Contains goood per
cent of silver. usually sulphur and anti
mony.
Rittingertiec-. Blackish. brown; kindef
dull honey yellow to hyacinth-red streak
orange-yellow; brittle
Pyrargyrlte-A dark red silver ore
dark antimOnial red silver; lustre naetsllie
| sorr,,fi,,,aa o,nb;n.ol roA Tb;s ara, Z,
quite frequentin Hungary, Norway, Spain.
Chilli, in Nevada, at the Daney mine Was
hoe, Austin, on Reese river, in Poorman
lotte, Idaho; In some eases light red,
others gray.
Pronsite-ArsenicaT ores; ruby silver,
light red silver ores. Lustre adamantine :;
co or usually conchineal-red; sometimes a
bright aurora-red Found at Freiberg, in
Spain. Chilli, in Comstock lode, in Cabsr-
rus county, North Carolina.
Aikinite-Needle ore-Color blacklsh
lead. gray, with pale copper-red tarnish.
Found in the gold regions of Georgia. IN
slender crystals, having center of gold,
others colored oehre1 or carbonate of bis.
muth.
Iwill now notice an ore weH calculated
to deceive. Its name, as given bv science
is .Tsthra1ed,itr. Lustre metallic; color
between light flint gray and hon. b3ack
streak generally about same as cul,r
sometimes inclined TO Light brown. and
in few cases cherry red; sometimes in
thin layers or splinters; ordinarily con.
tains little or no silver. Color is very
poor criterion to tell any ore, and espe
eially this particular kind.
Bismuthic silver ore-Chilenite-SfIve
white, but easily furnishing to yellowish
really quite rare.
Balrk silver ors-Stephanite-Br
sulphur ct of silver; !ustrs metallic; colo
irun-black: fractare uneven. Found ir
veins of other SILVER ores; not separat
vein, but in assocIasion With other ores
sometimes calkd bhwR suIphurrts,
valuable ore. found frequently in tn
\. Com>tock lode, Ncvada, in the Mexican
mines quite frequent. some in idaho
name sometimes called brittle sulphurel
Bromyrite-Bromide of silver-Lustr
splendant; color, when pure, bright ye
low to amber-cofored: slightly grsenish
often grass-green or olive-greeD; quit
common in Mexican, mines. occasionall
in Utah, Colora 10, Montana, Nevada. !
chloride ore.
Carbonate Silver Ore-Sel6ite-A gray
ISL ore, made carbonate by Selb. il
dscoyerer, l7sS. 1t is only mixture
-, In Mexico, where it is quite common,
is called Psts Az,il. which is also regal
dcd mixture. At Leadville. ColorsdO,
is called by MIXERS hard carbonate.
Horn Silver, Ccrargyrite-In sever
al teenth century called Corneeas Silve
This appears in various forms in tt
mines of our Rocky mountains. 1t Occur
q. in veins of clay slate acro .ppanyipy 9th,
m ores OF silver, and usually near the su
face; sometimes is found with oehr
colored or brown iron ore, IN sever
species of copper ores, with ea}eise, al
at Silver Cliff with barati; in Peru al
: Chilli, as well as some parts Of Mexico,
occurs with native silver; is found
Austin, Nevada, Virginia City i'm Al
iona, at Willow Springs, at Poorm,
found, almost perfect cubes, at Tintic ar
mine Idaho. The most neantiful specime
Eureka, Utah, in considerable quantiti
mixed with brown iron. Bestdescripti
4 vet known. Lustre resinous, passing in
sdamantlne; color peari-gray grayis
r green, whitish, colorless; somctim
when perfectly pure, brown on exposu
r. IL a mixture of silver, chlorine al
alumina.
Idoic Sllver-The German Iod-silver
Color eitron and sulphur-yellow; is fou
in thin veins, or seams, in Horn stones.
TO- Arizona: at Cerro Colorado mine, is t
on only place ! know of it in this count
yet may be III others. Can hardly be
led a very valuable ore.
, Red or Ruby Silver-Occurs usua
- .l.aw,t