Mischmetal (from Mischmetall - `mixed metal`) is an alloy of rare earth elements in various naturally occurring proportions. It is also called cerium mischmetal, rare earth mischmetal or misch metal. A typical composition includes approximately 50% cerium and 25% lanthanum, with small amounts of neodymium and praseodymium. Its most common use is.....
see Rare Earths.
An alloy of rare earth metals containing about 50% lanthanum, neodymium, and similar elements.