APATITE : Purulia district in West Bengal and Vishakhapatnam district in Andhra
Pradesh ae major apatite producers. 61& of apatite reserve is found in West Bengal.
KYANITE : Kyanite reserves are found mainly in Maharashtra, Karnataka , Jharkhand,
Rajasthan and Andhra Pradesh.
KAOLIN (CHINA CLAY) : It is a white coloured mineral. It is used in porcelain and bore
china. During 2009-10, 50% Kaolin of the country was produced in Gujarat followed
by Kerala (28%) and Rajasthan (13%).
FIRE CLAY : It is used mainly in making fireproof bricks. It is found in Gondwana
structure. Jharia (Jharkhand), coal reserves of Raniganj (West Bengal ), Korba
(Chhattisgarh) and Neyveli lignite region (Tamin Nadu ) are the places were fire clay is
found.
FELDSPAR : The Major reserves of feldspar are found in Gujarat, Rajasthan ,
Chhattisgarh and Maharashtra.