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Copper
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Copper (Ref: 7993330)

Central mine, Keweenaw Co., Michigan, USA
240mm x 85mm x 5mm
$800
A large branching crystallized native copper specimen with little attached matrix. This is what is known as fissure copper. In great condition.
Data last checked on 15th Jun 2025
From: Weinrich Minerals
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See Also

Copper
Central mine, Keweenaw Co., Michigan, USA
$535
135mm x 55mm x 30mm
From: Weinrich Minerals
Copper
Phoenix mine, Keweenaw Co., Michigan, USA
$650
90mm x 50mm x 10mm
From: Weinrich Minerals
Calcite with Copper
Quincy mine, Houghton Co., Michigan, USA
$790
38mm x 20mm x 12mm
From: Weinrich Minerals
Silver with Copper
Keweenaw Co., Michigan, USA
$850
90mm x 60mm x 40mm
From: Weinrich Minerals
Copper
Central mine, Keweenaw Co., Michigan, USA
$450
80mm x 60mm x 12mm
From: Weinrich Minerals
Calcite with Copper
Quincy mine, Houghton Co., Michigan, USA
$920
32mm x 26mm x 18mm
From: Weinrich Minerals
Copper
Central Mine, Keweenaw County, Michigan, USA
$500
80mm x 60mm x 30mm
From: The Arkenstone
Copper with Prehnite
Champion mine, Houghton Co., Michigan, USA
$630
95mm x 55mm x 50mm
From: Weinrich Minerals
Copper
Houghton Co., Michigan, USA
$760
20mm x 10mm x 10mm
From: The Arkenstone
Copper
Quincy Mine, Houghton Co., Michigan, USA
$575
60mm x 40mm x 20mm
From: Marin Minerals
Copper with Prehnite
Cliff mine, Keweenaw Co., Michigan, USA
$420
95mm x 60mm x 45mm
From: Weinrich Minerals
Copper
Central mine, Keweenaw Co., Michigan, USA
$270
80mm x 45mm x 25mm
From: Weinrich Minerals
Copper
Cliff mine, Keweenaw Co., Michigan, USA
$1225
230mm x 160mm x 35mm
From: Weinrich Minerals
Native copper + Quartz. 1067.90 ct.
Keweenaw Co., Michigan, USA
$542 *
From: A Bijoux
Copper (spinel-twinned)
Wolverine Mine, Kearsarge Lode, Houghton County, Michigan, USA
$950
70mm x 10mm x 10mm
From: The Arkenstone
* price is an approximate conversion and may not be accurate.

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