Showy deep blue Cornetite crystals on white matrix . Super aesthetic. From type locality. The piece come from a Geologist collection who worked at that mine in 1975- 1980. Size 17x15x5 cm
Nice group of hopeite crystals of dark orange-brown color from a defunct locality . Hopeite crystals are well developed and associated to transparent micorcvrystals of parahopeite . Pictures taken with white led light and halogen lamp .The specimen come from a Geologist collection who worked at that mine in 1975- 1980. Size 10x6 cm
In the mid-1970s a cavern encountered on the 430-meter level of the X orebody, was encrusted with botryoidal and stalactitic vanadinite. SEM investigation has shown alternating layers of dark vanadinite with narrow layers of yellow descloizite. An extremely rare, unique occurrence . The descoizite is fluorescent under LW UV. Size 7x6x3 cm
In the mid-1970s a cavern encountered on the 430-meter level of the X orebody, was encrusted with botryoidal and stalactitic vanadinite. SEM investigation has shown alternating layers of dark vanadinite with narrow layers of yellow descloizite. An extremely rare, unique occurrence . The descoizite is fluorescent under LW UV. Size 12x9x5 cm