(i) It is a mineral made up of a series of plates or leaves.
(ii) It splits easily into thin sheets.
(iii) These sheets can be so thin that a thousand plates can be layered into a mica sheet of a few centimetres high.
(iv) Due to its excellent di-electric strength, low power loss factor, insulating properties and resistance to high voltage, mica is one of the most indispensable minerals used in electric and electronic industries.