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Copper Specimens From Michigan

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Copper on Calcite
Quincy Mine, Quincy Township, Houghton Co., Michigan, USA
$24000
50mm x 40mm x 10mm
From: The Arkenstone
Copper (unique crystal style)
Mass Mine, Mass City, Ontonagon Co., Michigan, USA
$14500
40mm x 40mm x 30mm
From: The Arkenstone
Copper
Keewenaw Peninsula, Michigan, USA
$750
60mm x 55mm x 25mm
From: Marin Minerals
Native Copper. 475.90 ct.
Keweenaw Co., Michigan, USA
$331 *
From: A Bijoux
Copper with Calcite
Keweenaw Peninsula, Michigan, USA
$3500
40mm x 25mm x 25mm
From: Marin Minerals
Copper on Prehnite
Michigan Mine, Ontonagon County, Michigan, USA
$275
50mm x 35mm x 35mm
From: Marin Minerals
Copper (spinel-twinned)
Wolverine Mine, Kearsarge Lode, Houghton County, Michigan, USA
$950
70mm x 10mm x 10mm
From: The Arkenstone
Silver on Copper
Escanaba, Michigan, USA
$250
39mm x 25mm x 20mm
From: Marin Minerals
Copper nugget
Upper Peninsula, Michigan, USA
$13
67mm x 38mm x 18mm
From: Bob Griffis Minerals
COPPER
Keweenaw Co., Michigan, United States
$135
47mm x 31mm x 25mm
From: Quebul Fine Minerals
Copper
Champion Mine, Keewenaw Peninsula, Michigan, USA
$300
50mm x 35mm x 15mm
From: Marin Minerals
Copper
Houghton Co., Keweenaw Penisula, Michigan, USA
$3500
87mm x 60mm x 30mm
From: Marin Minerals
Copper
Caledonia Mine, Ontonagon Co., Michigan, USA
$250
32mm x 15mm x 10mm
From: Marin Minerals
Copper ps. Laumontite
Cliff Mine, Allouez Township, Keweenaw Co., Michigan, USA
$4800
60mm x 50mm x 40mm
From: The Arkenstone
Copper
Houghton Co., Michigan, USA
$760
20mm x 10mm x 10mm
From: The Arkenstone
Copper
Hekla Mine, Houghton Co., Michigan, USA
$1250
75mm x 65mm x 36mm
From: Marin Minerals
Native copper. 305.20 ct.
Keweenaw Co., Michigan, USA
$267 *
From: A Bijoux
Copper in Copper cast
Houghton Co., Michigan, USA
$3500
110mm x 50mm x 20mm
From: The Arkenstone
Copper (cubic!)
Ojibway Mine, Keweenaw Co., Michigan, USA
$3500
75mm x 50mm x 35mm
From: Marin Minerals
Silver on Copper
Pewabic Lode, Keweenaw, Michigan, USA
$3850
80mm x 40mm x 20mm
From: The Arkenstone
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* price is an approximate conversion and may not be accurate.

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