Rare earth The Rare Earth series include Lanthanum, Cerium, Praseodymium, Neodymium, Promethium, Samarium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, ... , Berkelium, Californium, Einsteinium, Fermium, Mendelevium, Nobelium, Lawrencium. Rare Mine Chemical Resources Limited supply various rare earth materials with competitive value. Application: gold mining ...