These galena crystals are 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 including galena. This specimen consists of a heavy mostly sulfide matrix that is topped with a layer of silver galena crystals. They have cuboctahedral habits and a metallic luster. This piece measures approximately 4 x 2 7/8 x 1 3/4 inches or 102 x 73 x 45 mm.