Item# Cuprite

Scientific Name: Variety of Chalcotrichite

Group: Oxides

Chemical composition: Cu2O

Colors: Shades of red to nearly black

Hardness: 3.5 to 4

Formation: Cubic crystals; Octahedral form

Principal Sources: Namibia, Australia, Russia, France, USA

Special Notes: Cuprite frequently occurs in association with native copper, azurite, chrysocolla, malachite, tenorite and a variety of iron oxide minerals. It is known as ruby copper due to its distinctive red color. It is a secondary mineral which forms in the oxidized zone of copper sulfide deposits. Cuprite was first described in 1845 and the name derives from the Latin cuprum for its copper content.

Copper Cubed