Iron pyrites crystals in shale Science Image
Iron pyrites crystals in shaleRef: 80200144
Description:Iron pyrite crystals, coloured scanning electron micrograph (SEM). Iron pyrite (iron disulphide, FeS2), commonly known as fool's gold, is the most abundant sulphide mineral and often occurs as cubes. Magnification: x190 when printed at 10 centimetres wide.