Dims: 3.4 x 2.6 x 1.5" (8.6 x 6.6 x 3.8 cm)
Wt: 12.4 oz. (352 g)
Pachapaque Mine, Ancash Department, Peru
Dozens of small, intergrown Sphalerite crystals are scattered on the surface of this hand specimen. They do not tend to exceed 0.3" (8 mm) in diameter, but are all in very good condition, as damage is sparse. Though heavily intergrown, there is definite evidence of reasonably good octahedral form, though no complete crystals are visible. All have well-defined edges and clean faces that possess the standard adamantine luster. The Sphalerites are accompanied by several other minerals, including pyrite, quartz, calcite, and bournonite. The entire specimen appears to be made up solely of these minerals.