Anzaite-(Ce) (IMA symbol: Anz-Ce[3]) is a rare-earth element (REE) oxide mineral with the formula Ce4Fe2+Ti6O18(OH)2.[1][2] An example of chemically related mineral is lucasite-(Ce),[4] although it contains no iron. Cerium in anzaite-(Ce) is mainly substituted by neodymium, lanthanum, calcium and praseodymium. Titanium is substituted by niobium.