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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.
1lb 0.2oz
approx. 3" x 2.5" x 2"