COVELLITE, CHALCOPYRITE pseudomorph after COVELLITE (AKA GOLDEN COVELLITE), Leonard Mine, Butte, Montana, 8 x 6 x 3 cm | |
Lustrous, shiny plates of golden Chalcopyrite after Covellite. Some areas are still blue Covellite. Top and bottom of the specimen is covered by some white coating. These are rarer than Covellite and Covellite is getting harder and harder to find. |