Peru

Stalactites of silvery-gray metallic cubes (to 15 mm edge) with cut corners on sprays of slender colorless quartz crystals (to 10 mm long); gemmy golden-yellow transparent spahalerite flattened cubes and blades (to 4 mm across); some horizontally striated tetrahedral tetrahedrite (to 4 mm edge)

Purchased in December 2002