Template:Rare earth

rare earth discussion Note that the term "rare earth" is a category of elements, named a long time ago when they were thought to be scarce. Turns out they are not as scarce as previously thought. There are 17 rare earth elements (REEs): neodymium, dysprosium, scandium, yttrium, lanthanum, cerium, praseodymium, promethium, samarium, europium, gadolinium, terbium, holmium, rebium, thulium, ytterbium, lutetium.