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Copper, Silver
Copper, Silver Copper, Silver
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Copper, Silver (Ref: R802)

Quincy Mine, Michigan, USA
55mm x 40mm x 30mm
$240
Large Copper nugget with an approx. 2cm area of Silver known as a 'half breed'. Ex. Clem Smith collection.
Data last checked on 10th Mar 2026 - specimen may no longer be available

From: Marin Minerals
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See Also

Silver on Copper
Escanaba, Michigan, USA
$250
39mm x 25mm x 20mm
From: Marin Minerals
Cuprite with Silver and Copper
Poteryaevskoe Mine, Rubtsovskoe deposit, Siberia, Russia
$400
32mm x 20mm x 20mm
From: Marin Minerals
SILVER, COPPER
Mindouli, Mindouli District, Pool Department, Congo - Brazzaville
$190
10mm x 9mm x 5mm
From: Quebul Fine Minerals
Cuprite with Silver and Copper
Rubtsovskiy Mine, Altaiskiy Krai, Siberia, Russia
$600
26mm x 25mm x 19mm
From: Marin Minerals
Copper
Caledonia Mine, Ontonagon Co., Michigan, USA
$250
32mm x 15mm x 10mm
From: Marin Minerals
Copper on Prehnite
Michigan Mine, Ontonagon County, Michigan, USA
$275
50mm x 35mm x 35mm
From: Marin Minerals
Copper
Champion Mine, Keewenaw Peninsula, Michigan, USA
$300
50mm x 35mm x 15mm
From: Marin Minerals
Copper
Copper Falls Mine, Keweenaw Co., Michigan, USA
$150
40mm x 22mm x 10mm
From: Marin Minerals
Copper
Kearsarge #4 Mine, Houghton Co., Michigan, USA
$350
80mm x 50mm x 50mm
From: Marin Minerals
Copper after Azurite
Copper Rose Mine, Grant Co., New Mexico, USA
$250
35mm x 30mm x 15mm
From: Marin Minerals
Copper after Azurite
Copper Rose Mine, Grant Co., New Mexico, USA
$200
25mm x 22mm x 15mm
From: Marin Minerals
Copper
Cole Shaft, Copper Queen Mine, Bisbee, Arizona, USA
$300
49mm x 45mm x 25mm
From: Marin Minerals
Copper after Azurite
Copper Rose Mine, Grant Co., New Mexico, USA
$300
35mm x 25mm x 20mm
From: Marin Minerals
Cuprite on Copper
Ray Mine, Ray District, near Kearney, Dripping Springs Mts., Pinal County, Arizona, USA
$300
105mm x 53mm x 31mm
From: Bob Griffis Minerals
Copper
White Pine Mine, White Pine, Ontonagon Co., Michigan, USA
$450
49mm x 22mm x 10mm
From: Marin Minerals
* price is an approximate conversion and may not be accurate.

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