CALCITE (MANGANOAN), QUARTZ, CHALCOPYRITE, SPHALERITE

On a sulfide rich matrix, formed by chalcopyrite and sphalerite crystals, is disposed a very aerial group of elongated and parallel growth of manganoan calcite crystals. With quartz. THE MAIN CRYSTAL IS: 3,7 x 1,5 x 1 cm. Fluorescence UVC & UVA.