Monazite sands can be found on the east and west coasts, as well as in some areas of Bihar. However, the Kerala coast has the highest concentration of monazite sand. Monazite is thought to contain over 15,200 tonnes of uranium. The copper mines of Udaipur, Rajasthan, contain some uranium.The Formula of Monazite is (Ce,La,Nd,Th)(PO4,SiO4).