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Copper Specimens From Michigan

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Copper
Hekla Mine, Houghton Co., Michigan, USA
$1250
75mm x 65mm x 36mm
From: Marin Minerals
Silver on Copper
Pewabic Lode, Keweenaw, Michigan, USA
$3850
80mm x 40mm x 20mm
From: The Arkenstone
Copper
Champion Mine, Keewenaw Peninsula, Michigan, USA
$300
50mm x 35mm x 15mm
From: Marin Minerals
Native Copper. 399.10 ct.
Keweenaw Co., Michigan, USA
$238 *
From: A Bijoux
Copper nugget
Upper Peninsula, Michigan, USA
$17
65mm x 41mm x 21mm
From: Bob Griffis Minerals
Copper
Keeweenaw Peninsula, Michigan, USA
$175
25mm x 25mm x 15mm
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
Keewenaw Peninsula, Michigan, USA
$750
60mm x 55mm x 25mm
From: Marin Minerals
COPPER
Keweenaw Co., Michigan, United States
$270
76mm x 69mm x 27mm
From: Quebul Fine Minerals
Copper on Prehnite
Michigan Mine, Ontonagon County, Michigan, USA
$275
50mm x 35mm x 35mm
From: Marin Minerals
Native Copper. 475.90 ct.
Keweenaw Co., Michigan, USA
$331 *
From: A Bijoux
Copper, Calcite
Franklin Mine, Houghton Co., Michigan, USA
$1800
50mm x 45mm x 30mm
From: Marin Minerals
Copper
Copper Falls Mine, Keweenaw Co., Michigan, USA
$150
40mm x 22mm x 10mm
From: Marin Minerals
Copper
Keweenaw Peninsula, Michigan, USA
$450
60mm x 45mm x 16mm
From: Marin Minerals
Copper
Houghton Co., Michigan, USA
$760
20mm x 10mm x 10mm
From: The Arkenstone
Copper
Keweenaw Penninsula, Michigan, USA
$900
75mm x 75mm x 75mm
From: Marin Minerals
Copper with Calcite
Keweenaw Peninsula, Michigan, USA
$3500
40mm x 25mm x 25mm
From: Marin Minerals
Copper (spinel-twinned)
Wolverine Mine, Kearsarge Lode, Houghton County, Michigan, USA
$950
70mm x 10mm x 10mm
From: The Arkenstone
Native copper. 305.20 ct.
Keweenaw Co., Michigan, USA
$267 *
From: A Bijoux
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* price is an approximate conversion and may not be accurate.

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