This mix of crystals is from the Huaron Mining District of the Huallay District, Pasco Department, Peru.This area contains 15 mines including the Alimon which is where most mineral specimens come from. The mines are large commercial operations mining for the extraction of silver and silver related minerals. Twenty-one different mineral species are found in this area including several exceptional sulfides like sphalerite and pyrite. This specimen consists of a mineral mix of sphalerite, pyrite, galena and quartz crystals. The sphalerites are complex and have tetragonal habits and a bright luster. The pyrites are lightly striated with a mirror luster. The galena has skeletal habits and a light iridescence. The quartz crystals are elongated and aesthetic with a glass luster. This is a large heavy piece that measures approximately 7 1/2 x 3 5/8 x 2 1/2 inches or 192 x 93 x 64 mm.