This robust and hexagonal crystal of Pyrrhotite was extracted from the Morro Velho gold mine, in the city of Nova Lima, state of Minas Gerais, Brazil. This mine, one of the most important gold mines in the world, operated for 278 years (from 1725 until 2003) and produced more than 570 tons of gold. It was one of the deepest gold mines in the world, reaching 2700 meters deep.