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Rio
Tinto, Nevada, Coppers!
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These historic copper specimens
were collected from the Rio Tinto mine (Mountain City
District, Elko County, Nevada) back around 1960 by a dozer operator,
during the reclamation of this long-defunct copper mine. I was fortunate enough
to take part in the acquisition of this original collection. A small portion
of these specimens showed patinas of dark-red cuprite coating unusually-fine,
dendritic, crystallized copper. Good crystallized coppers from any Nevada
locality are difficult to locate, and these are no exception.
An attractive, 28x15x3mm
flattened dendrite of
lustrous Copper crystals $20
Order
Here
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Rio
Tinto Cuprite-on-Copper #2
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A 23x16x10mm cluster
of Copper dendrites coated with
lustrous red Cuprite- $35
Order
Here
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Rio
Tinto Cuprite-on-Copper #3
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A nicely crystallized,
30x15x1.5mm, flattened Copper crystal group,
coated with red Cuprite $40
Order
Here
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An unusual
and attractive, 23x22x12mm,"U" shaped cluster of
Copper crystals and dendrites, still holding bits of matrix-
$60
Order
Here
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A rare, 27x31x29mm,
matrix specimen of white Quartz host rock with a nice plume
of Copper dendrites and crystals freestanding near the top-
$75
Order
Here
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A 51x39x22mm
mass of Copper showing a very unusual polygonal cast
after either another crystal, a piece of rock, or old
mine wood- $80
Order
Here
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A beautiful,
52x20x3mm dendrite of lustrous Copper crystals- $100
Order
Here
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Rio
Tinto Cuprite-on-Copper #8
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An
outstanding,46x19x4mm plume of Cuprite-coated Copper,
growing off a bit of rock matrix. A great display-quality
miniature!
$120 Order
Here
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A
very bright and lustrous, 42x19x4mm, Copper crystal
plume showing Beautiful, old, original patina and
several Spinel-twinned crystals-
$125 Order
Here
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Rio
Tinto Cuprite-on-Copper #10
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A
large, 54x17x3mm, wiry, Cuprite coated Copper
group with pieces of host rock matrix- $130
Order
Here
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Rio
Tinto Cuprite-on-Copper #11
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A
incredible, stable, 49x20x12mm matrix specimen
with a nearly 50mm long nest of Cuprite-coated
Copper dendrites draping over both ends of the
white Quartz matrix! $150
Order
Here
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A
45x23x5mm Copper crystal cluster with very
fine crystallization and original, old patina
and luster. This piece looks very similar
to an Eagle's Nest Gold, in it's color and
the way it crystallized! Lots of Spinel
Twins! $160 Order
Here
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Rio
Tinto Cuprite-on-Copper #13
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A
very aesthetic, 48x27x10mm Cuprite-coated
Copper dendrite with a piece of host rock
matrix attached. VERY attractive and
lustrous! $175
Order
Here
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An
excellent, 55x33x3mm crystallized Copper
dendrite group curiously resembling a
mouse or perhaps another animal figure!
Sturdy! $200
Order
Here
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Rio
Tinto Cuprite-on-Copper #15
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A
very large specimen for this locality!
An 80x40x10mm sheet of crystallized
Copper with some bits of host rock matrix
attached- $200
Order
Here
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