A beautifully balanced piece, nicely dispersed crystals of terminated Quartz highlight a dark, yet lustrous, Sphalerite. Minor Galena adjacent to Sphalerite appears upon closer inspection. An exceptionally compelling combination specimen all around! Huanzala Mine, Huanzala, Huallanca District, Bolognesi Province, Ancash, Peru. 2" x 1" x 1", 1.75 oz.