These galena (skeletal) 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 the sulfide galena. This specimen consists of a mineral mix of; galena, sphalerite, chalcopyrite and quartz crystals. The galena have cubic and cuboctohedral habits with some spinel twins and recrystallized growth. The sphalerites have spinel growth also. This piece measures 2 9/16 x 1 3/4 x 1 1/2 inches or 65 x 45 x 38 mm.