(1) Pyrite is the most common of the sulfide minerals.
(2) As a semiconductor material, pyrite plays a key role in the research and development of lithium batteries.
(1) Crystals of Pyrite were considered stones of great power, used by the medicine people of the North American Indians in amulets and in the attire and objects used during various ceremonies.
(2) The Incas and Aztecs were known in antiquity to polish large slabs and crystals into mirrors.
(3) Pyrite also creates sparks when hit up against steel and was used in early rifles. Pyrite is the talisman stone of the fire trades: bakers, blacksmiths, and firemen. It also protects those in the building trades.