Non Metallic Minerals :
- Mica is a mineral made up of a series of plates or leaves.
- It splits easily into thin sheets.
- Mica can be clear, black, green, red, yellow or brown.
- Mica is one of the most indispensable minerals used in electric and electronic industries, due to : excellent di- electric strength , low power loss factor, insulating properties and resistance to high voltage.
- Mica deposits are found in northern edge of chota nagpur plateau.
- Koderma- Gaya Hazaribagh belt of Jharkhand is the leading producer.
- In Rajasthan, major mica producing area is around Ajmer.
- Nellore mica belt of Andhra Pradesh is also important producer in the country.