CHALCOPYRITE, SPHALERITE, PYRITE, GALENA, SIDERITE

Group of sphalerite crystals showing a deep grey color, near black, with octahedra and cubic forms. Good luster and aesthetics. Accompanied by some brilliant chalcopyrite crystals, deformed faces, complex growths and gold tones. Accompanied by some groups of octahedral galena crystals with rounded faces and edges, pyrite and siderite. An important sample. THE MAIN CRYSTAL IS: 2,4 x 2,2 x 0,5 cm