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Copper

Unknown Owner
An attractive well crystallized example of native copper. There is very little attached matrix. In good condition.

Product details

Species
CopperAbout Copper →
SizeCabinet
Dimensions13.5 x 9.0 x 7.5 cm
Added on07/17/2025
Locality
USA, Michigan, Keweenaw PeninsulaRegional guide →

Known provenance

DateCollectorAcquisition price
05/2026Unknown Owner$485.00
—Weinrich MineralsNot disclosed

Comments

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Copper
Mineral guide
Learn about Copper
native copper with spinel-twinned crystals and arborescences; notable from Lake Superior, Itauz, Dongchuan, Corocoro, prized for color and localities.
Copper
Regional guide
Copper from Keweenaw Peninsula, Michigan, USA
Keweenaw Peninsula copper - classic native copper from Michigan, famed for wiry arborescent sprays, sharp crystal faces, and historic mines prized by collector…

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© 2026 earthwonders

    Copper market analytics

    JulOct2026AprJulOct2026Apr$0$1k$2k$3k$4k$0$1k$2k$3k$4k
    MedianMiddle 50% rangeVolume
    Open detailed analyticsPrice ranges · Top localities · Sold items
    Sold last 30 days
    82
    10.8%vs prior 30 days
    Median price (30d)
    $800.00
    4.6%
    vs prior 30 days
    Top locality
    Keweenaw Peninsula
    45 sales · USA