Mica is a very large important non-Ferrous mineral. India is in a leading position in having deposits of mica and in the manufacture of mica plates. Mica is transparent, heat resistant, shiny silicate mineral. Mica has some qualities; the important among them are insulation and elasity. It is used in the manufacture of telephones, telegraph, wireless service, glass, colour varnish, artificial rubber, dynamos and chemical industries. Mica is also called ‘kage bangara’ in Kannada.