This pyrite is from the Huanzala Mine, Huallanca, Dos de Mayo Povince, Huanco Department, Peru. This a predominately lead-zinc mine but 63 other mineral species can be found there. It is one of the premier locales for pyrite specimens. They can vary in morphology from cubic to dipyramidal octahedrans and every combination in between. It is a sulfide containing the elements Fe and S. This mine is famous for it’s outstanding variety and quality of pyrite specimens. This plate consists of bright gold, pyritohedral and modified crystals. The larger crystals are over 1 inch across. The piece measures 4 5/8 x 2 3/4 x 2 inches or 118 x 70 x 50 mm.