Copper with Tenorite

Unknown Owner
Crystallized native copper, this coated with tenorite, coming off matrix. In good condition.The Old Colony Mine in Houghton County, Michigan was part of the Keweenaw Peninsula copper district, a region famous for native copper deposits hosted in basalt and conglomerate rock. The mine was developed in the late 19th century and worked underground

Product details

SizeMiniature
Dimensions4.5 x 3.0 x 1.5 cm
Added on03/12/2026

Known provenance

DateCollectorAcquisition price
Unknown Owner$35.00
Weinrich MineralsNot disclosed