Chemical Formula: CuFeS2

Chemical Name: Copper Iron Sulphide

Mineral Class: Sulphide

Mineral Notes: Chalcopyrite is the most widespread copper mineral and is an important ore of the metal. The mineral is the end member of a series with iron that also includes Bornite, Covelite, Chalcocite and ending as native copper. 

Description: A very bright and colourful specimen of Chalcopyrite on matrix. Very attractive when displayed.

Location: Gunnislake Clitters Mine, Gunnislake, Callington, Cornwall, England.