The magnet rare earths mostly refers to neodymium and praseodymium (NdPr), the world’s most sought after rare earths. Dysprosium (Dy) is the third key rare eart

The magnet rare earths mostly refers to neodymium and praseodymium (NdPr), the world’s most sought after rare earths. Dysprosium (Dy) is the third key rare earth used in magnets. It is also used in control rods for nuclear reactors.