Native Copper: Seneca mine, Seneca, Michigan, USA

Description

Species: Copper

Locality: Seneca mine, Seneca, Houghton County, Michigan USA

Dimensions: 15 cm x 13 cm x 7.5 cm.

This is a choice large group of sharp, well-formed blocky dodecahedral native copper crystals to over 2 cm on basalt matrix with epidote, from the Seneca mine, Seneca, Houghton County, Michigan USA. Large, 3-dimensional, and showy this is a superb Michigan copper from a classic locality!! Mark Cross photo.