Dysprosium 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 Weight: 165.5
Density:       144.1414
Melting Point: 73.2345
Boiling Point: 41.14