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Crystalized Copper from Keweenaw Peninsula Copper District, Michigan
$1,200
£898.14
€1,039.99
CA$1,667.80
A$1,878.51
CHF 972.81
MX$22,813.77
NOK 12,356.98
SEK 11,721.64
DKK 7,759.72
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About the Item
Lustrous specimen of native (natural) copper intergrown with greenish basalt matrix. The copper is exposed on all sides and has bright metallic surfaces.
Michigan's Keweenaw Peninsula is the most important locality in the world for pure native copper. Mining began in 1845 and continued until 1982 and over 7 million tones of refined copper were recovered from Michigan's copper mines. In the early 1900's, it led the world in copper production and "lake Copper" was the purity standard to which other refined copper was compared.
Weight: 103.4 lbs, Dimensions: 3 x 1.5 x 2 inches
- Dimensions:Height: 4 in (10.16 cm)Width: 1.5 in (3.81 cm)Depth: 3 in (7.62 cm)
- Materials and Techniques:
- Place of Origin:
- Period:
- Date of Manufacture:21st Century
- Production Type:New & Custom(One of a Kind)
- Estimated Production Time:Available Now
- Condition:
- Seller Location:New York, NY
- Reference Number:Seller: M3421stDibs: LU6682235383502
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