Crystal system: Isometric.
Cell salt: Iron disulphide, often with substantial amounts of nickel and cobalt.
Colour: Pale to brass-yellow, sometimes tarnished with a brownish film of iron oxide.
Energy: Electric.
Element: Air.
Planet/sign: Mercury/Gemini; Moon/Cancer; Saturn-Uranus/Aquarius.
Uses: Polished Pyrite is an excellent divinatory tool. It may also be used to focus the attention, transmit healing energy, or to attract money and good health.