| Answer | Crossword Clue |
|---|---|
| SCANDIUM | Rare-earth metal |
| ERBIUM | Rare earth metal |
| dysprosium | a rare-earth metal used in nuclear research |
| dysprosiums | DYSPROSIUM, a rare-earth metal used in nuclear research |
| lanthanum | The chemical element of atomic number 57, a silvery-white rare earth metal |
| misch | as in misch metal, an alloy of cerium and other rare earth metals, used esp as a flint in cigarette lighters |
