Two types of iron ore are :
Hematite and Magnetite
Hematite :
High iron content(70%)
Black in colour.
Naturally strong magnet.
States : Andhra Pradesh, Jharkhand, Orissa, Chhattisgarh, Goa, Karnataka, Maharashtra and Rajasthan.
Magnetite :
Low iron content(50-60%)
Found in variety of colours.
Magnetism occurs on heating.
States : Andhra Pradesh, Jharkhand, Goa, Kerala, Tamil Nadu and Karnataka.