Native Copper: Quincy mine, Hancock, Houghton County, Michigan, USA

Description

Species: Native Copper

Locality: Quincy mine, Hancock, Houghton County, Michigan, USA

Size: 25 x 17 x 5.5 cm.

Very impressive large fan-like aggregate of well-formed blocky to twinned copper crystals with a very nice patina from the famous Quincy mine in Hancock, Michigan. A great large Michigan copper with an elegant architecture and great presence in a display case. The backside is almost as good as the front! Comes with a custom milled acrylic display base. Mark Cross photo.