Copper - image 1
Photo by Jeffrey A. Scovil

Copper

Do you know Sean Finneson?

Invite them to claim this profile and join EarthWonders.

Sign in to invite
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
Copper, 4.9 cm, from the Mass mine, Mass City, Ontonagon County, Michigan. Photo by Jeff Scovil.

Product details

SpeciesCopper
SizeMiniature
Dimensions4.9 cm
Added on02/13/2026
LocalityUSA, Michigan, Ontonagon County
Publications
  • Mineralogical Record Mineral Collections In Pacific Northwest page 75
Current owner
Sean Finneson

Added by the community · Not a registered member

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 Ontonagon County
Sign in to contribute
Locality guide
Ontonagon County
Ontonagon County, USA - famed for native copper and silver, diverse mineral styles from Keweenawan lodes to White Pine, and a Lake Superior palette.