Monazite wani ma'adinai ne wanda yawanci yakan faru a matsayin ƙananan hatsi masu launin ja-launin ruwan kasa kuma shine tushen abubuwan da ba su da yawa a duniya, thorium, da uranium. Yana da sinadari na (Ce,La,Nd,Th)PO4 kuma yana cikin rukunin ma'adinai na phosphate. Ana amfani da Monazite sau da yawa wajen samar da yumbu, gilashin, da manyan kayan fasaha. Kalmar “monazite” ta samo asali ne daga kalmomin Helenanci monazein, ma’ana “zama kaɗaici,” da lithos, ma’ana “dutse.”