Covellite
Photos
Roger Weller, geology instructor
wellerr@cochise.edu copyright 2010-R.Weller
covellite-1
Covellite is copper
sulfide. It is a rather unique mineral because it has a micaceous
structure and a deep blue metallic color.

covellite
Photo is copyright free only for
non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Specimen courtesy of Dave Dechant