#66 DysprosiumDysprosium is a chemical element with symbol Dy and atomic number 66. It is a rare earth element with a metallic silver luster. Dysprosium is never found in nature as a free element, though it is found in various minerals, such as xenotime. Atomic mass:162.5 amu Melting point:1412.0 C (1685.15 K, 2573.6 F) Boiling point:2562.0 C (2835.15 K, 4643.6 F) Density:293 K:293 K: 8.536 g/cm3 |