Copper - image 1

Copper

D

Daniel J. Record
0 for sale
Copper, 8.9 cm, from the Centennial No. 6 mine, Calumet & Hecla Conglomerate Lode, Calumet, Houghton County, Michigan. The specimen is an example of a rare triple “copper skull”—a copper form that is unique to this area of Michigan. Ex F. John Barlow collection (No. 1368). Illustrated in The F. John Barlow Mineral Collection (1996), page 277. Jeff Scovil photo.

Product details

Species
CopperAbout Copper →
SizeSmall Cabinet
Dimensions8.9 cm
Added on02/13/2026
Locality
USA, Michigan, Calumet & Hecla Mine
Publications
  • Mineralogical Record Mineral Collections In American Northeast page 278

Known provenance

DateCollectorAcquisition price
—F. John BarlowNot 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.
Regional guide
Copper from Calumet & Hecla Mine
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