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Silver and Copper (halfbreed)
Silver and Copper (halfbreed) Silver and Copper (halfbreed) Silver and Copper (halfbreed)
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Silver and Copper (halfbreed) (Ref: 14.1-269)

Caledonia Mine, Mass City, Ontonagon County, Michigan, United States
22mm x 17mm x 12mm
minID: L61-7HD
A US classic a choice Halfbreed of Silver and Copper that shows perfectly the two metallic colors with very bright luster. Looks fine on all sides, the Halfbreed masses from this region are unlike anything from other places. The copper mined in the Upper Pennisula of Michigan tended to have some small percentage of Silver mixed in. This was especially desirable in the early manufacturing of electrical wires.
From: Well-Arranged Molecules
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See Also

Silver with Copper
Wolverine mine, Houghton Co., Michigan, USA
$180
40mm x 28mm x 5mm
From: Weinrich Minerals
Silver with Copper
Keweenaw Peninsula, Michigan, USA
$205
33mm x 14mm x 6mm
From: Weinrich Minerals
Silver on Copper
Escanaba, Michigan, USA
$250
39mm x 25mm x 20mm
From: Marin Minerals
Silver with Copper
Keweenaw Peninsula, Michigan, USA
$255
30mm x 19mm x 7mm
From: Weinrich Minerals
SILVER, COPPER
Mindouli, Mindouli District, Pool Department, Congo - Brazzaville
$190
10mm x 9mm x 5mm
From: Quebul Fine Minerals
Silver with Copper
Keweenaw Peninsula, Michigan, USA
$340
25mm x 13mm x 13mm
From: Weinrich Minerals
Cuprite with Silver and Copper
Poteryaevskoe Mine, Rubtsovskoe deposit, Siberia, Russia
$400
32mm x 20mm x 20mm
From: Marin Minerals
Cuprite with Silver and Copper
Rubtsovskiy Mine, Altaiskiy Krai, Siberia, Russia
$600
26mm x 25mm x 19mm
From: Marin Minerals
Silver with Copper
Keweenaw Peninsula, Michigan, USA
$670
43mm x 30mm x 20mm
From: Weinrich Minerals
Silver, Copper
Michigan, USA
$700
75mm x 45mm x 25mm
From: Marin Minerals
Silver with Copper
Keweenaw Co., Michigan, USA
$850
90mm x 60mm x 40mm
From: Weinrich Minerals
Silver with Copper
Keweenaw Peninsula, Michigan, USA
$865
47mm x 32mm x 15mm
From: Weinrich Minerals
CUPRITE var. CHALCOTRICHITE, COPPER
New Cornelia Mine, Ajo, Little Ajo Mountains, Ajo Mining District, Pima County, Arizona, United States
$115
19mm x 13mm x 12mm
From: Quebul Fine Minerals
Copper on Prehnite
Michigan Mine, Ontonagon County, Michigan, USA
$260
50mm x 35mm x 35mm
From: Marin Minerals
COPPER
Keweenaw Co., Michigan, United States
$135
47mm x 31mm x 25mm
From: Quebul Fine Minerals
* price is an approximate conversion and may not be accurate.

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