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Copper
Copper
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Copper (Ref: 9MF70Q1)

Central Mine, Central, Keweenaw County, Michigan  USA
33mm x 31mm x 15mm
minID: CDY-KWQ
$305 *
Very aerial group of crystals better formed than usual, some of them with very well defined crystalline forms, of good size and luster. This mine operated from 1854 to 1898, producing more than 23 thousand tons of refined copper.
Central Mine, Central, Keweenaw County, Michigan  USA

Specimen size: 3.3 × 3.1 × 1.5 cm = 1.30”
Data last checked on 8th Jun 2023 - specimen may no longer be available

From: Fabre Minerals
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See Also

Copper
Central Mine, Keweenaw County, Michigan, USA
$250
40mm x 20mm x 10mm
From: The Arkenstone
Copper
Central Mine, Keweenaw County, Michigan, USA
$100
30mm x 30mm x 10mm
From: The Arkenstone
Copper
Central Mine, Keweenaw County, Michigan, USA
$450
60mm x 50mm x 20mm
From: The Arkenstone
Copper
Central Mine, Keweenaw County, Michigan, USA
$500
80mm x 60mm x 30mm
From: The Arkenstone
Copper
Central mine, Keweenaw Co., Michigan, USA
$140
35mm x 23mm x 12mm
From: Weinrich Minerals
Copper
Central mine, Keweenaw Co., Michigan, USA
$125
72mm x 45mm x 4mm
From: Weinrich Minerals
Copper
Central mine, Keweenaw Co., Michigan, USA
$105
65mm x 30mm x 24mm
From: Weinrich Minerals
Silver with Copper (variety halfbreed)
Lake Superior Mine, Phoenix, Keweenaw County, Michigan  USA
$516 *
27mm x 26mm x 18mm
From: Fabre Minerals
Copper
Central mine, Keweenaw Co., Michigan, USA
$75
80mm x 40mm x 30mm
From: Weinrich Minerals
Copper
Ojibway Mine, Ojibway, Keweenaw County, Michigan  USA
$70 *
26mm x 22mm x 7mm
From: Fabre Minerals
Copper
Caledonia Mine, Mass City, Ontonagon County, Michigan  USA
$223 *
132mm x 74mm x 35mm
From: Fabre Minerals
Copper
Lake Superior copper district, Keweenaw County, Michigan  USA
$223 *
25mm x 21mm x 11mm
From: Fabre Minerals
Copper
Keweenaw County, Michigan  USA
$223 *
49mm x 27mm x 28mm
From: Fabre Minerals
Copper
Keweenaw County, Michigan  USA
$217 *
60mm x 36mm x 34mm
From: Fabre Minerals
Copper
Ojibway Mine, Keweenaw County, Michigan, USA
$350
50mm x 50mm x 20mm
From: The Arkenstone
* price is an approximate conversion and may not be accurate.

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