This Pyrite crystal specimen is from Peru, a prominent location for different crystal habits of pyrite. An abundant iron sulfide, the chemical formula for pyrite is FeS₂. This piece features pyritohedra, which are an asymmetric type of dodecahedron named after pyrite. The sparkling crystals intersect and overlap in a variety of sizes.

14.4oz

approx. 3.75" x 2.5" x 1.75"