Mica is a kind of rock-forming minerals, usually hexagonal or diamond was fake plates, sheets, columnar crystal. Color changes with the different chemical components, mainly with the increase of Fe content in the dark. Mica is characterized by insulation, high temperature, shiny, stable physical and chemical properties, good thermal insulation, elasticity and toughness. Most used in industry is muscovite, followed by phlogopite. Its widely used in building materials industry, the fire industry, fire extinguishing agents, welding, plastics, electrical insulation, paper, asphalt paper, rubber, pearlescent pigments and other chemical industries. Mica is also animation appears as a character name.