Minerals Resources.KeralaState is endowed with a number of occurrences/deposits of minerals such as Heavy Mineral Sands ( Ilmenite, Rutile, Zircon, Monazite, Sillimanite) ,Gold, Iron ore, Bauxite, Graphite, China Clay, Fire Clay, Tile and Brick Clay, SilicaSand, Lignite, Limestone, Limeshell, Dimension Stone (Granite), Gemstones, Magnesite ...