Copper from Keweenaw Peninsula, Michigan, USA - image 1
Copper from Keweenaw Peninsula, Michigan, USA - image 2

Copper from Keweenaw Peninsula, Michigan, USA

Help improve this record

No owner is registered for this specimen yet. If it's yours or you know more about it, you can add the owner, provenance, publications and other details.

Sign in to contribute
An attractive grouping crystallized native copper without matrix. Minor laumontite is present. This is in terrific condition all around and comes with an antique label as shown at the end of the video.

Product details

SpeciesCopperLaumontite
SizeSmall Cabinet
Dimensions5.5 x 3.5 x 0.7 cm
Added on12/10/2025
LocalityUSA, Michigan, Keweenaw Peninsula

Current owner

Unknown Owner
Acquired
May 2026
Price paid
$200.00

Previous owners

DateCollectorAcquisition price
—Weinrich MineralsNot disclosed

Learn more

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…
Locality guide
Keweenaw Peninsula
A collector's guide to Keweenaw Peninsula, USA: its geology, mining history and notable minerals, illustrated with the 209 specimens documented from this locality on EarthWonders.