Preparing the Clay: The main raw material used for ceramic pottery is clay procured from varies places like Kerala, Rajasthan, Delhi, Bikaner, Bihar, and Ahmedabad in the country. Different raw materials like. The main raw material used in ceramic pottery is clay mixed with varies materials like quartz, potash feldspar, china clay and ball clay procured from Jaipur, Ahmedabad and Bikaner, kundan clay from Kerala, Rajmahal clay from Bihar, and fire clay from Delhi (Ref: RITES 1992 report).