Species: Native Copper
Locality: Lake Superior Copper District, Houghton County, Michigan USA
Dimensions: 12 x 8 x 5.5 cm.
This is an excellent cabinet-size group of large, well-formed native copper crystals exhibiting classic tetrahexhedral twinning and a deep brownish-red cuprite patina. A great Michigan copper with large crystals and good aesthetics. From the collection of Ben Vone on Grand Rapids, Michigan. Classic! Mark Cross photo.