The Probert Encyclopaedia of Rocks & Minerals

CHALCOCITE

Chalcocite is one of the most important copper ore minerals. It is native copper Sulphide and is also called copper glance, and vitreous copper. It is a mineral of a black colour and metallic lustre occurring primarily in enriched zones of sulphide deposits. It has the formulae Cu2S and a relative hardness of 3.
Research Chalcocite