The most abundant mineral sand found along Kerala’s coast is:

Rutile is a titanium dioxide mineral with the chemical formula TiO2. It is the most common form of titanium dioxide and is used in paint, plastics, and other products. Rutile is also a gemstone.

Zircon is a zirconium silicate mineral with the chemical formula ZrSiO4. It is a common mineral and is used as a gemstone, abrasive, and in ceramics.

Monazite is a rare earth phosphate mineral with the chemical formula (Ce,La,Nd,Th)PO4. It is a source of rare earth elements, which are used in electronics, magnets, and other products.

Ilmenite is the most abundant mineral sand found along Kerala’s coast because it is a common mineral that is found in many parts of the world. It is also a relatively easy mineral to mine and process.