One amazing, aesthetic, cabinet size specimen presenting large black and extremely lustrous sphalerite – marmatite crystals, overgrowth by beautiful small chalcopyrite crystals, slightly oxidized to old gold color, and followed by with quartz.
One amazing, aesthetic, cabinet size specimen presenting large black and extremely lustrous sphalerite – marmatite crystals, overgrowth by beautiful small chalcopyrite crystals, slightly oxidized to old gold color, and followed by with quartz.