Minerals
Eskebornite
eskebornite
CuFeSe2
Eskebornite: Mineral information, data and localities. — via www.mindat.org · Source
Overview
Eskebornite is a selenide mineral with the formula CuFeSe2. It crystallizes in the tetragonal system and it has a brassy colour. Eskebornite is sometimes found as thick tabular crystals, but is more often found intergrown with other selenides. It is part of the chalcopyrite group and forms a series with chalcopyrite.