Neodymium is a chemical element with symbol Nd and atomic number 60. It is a soft silvery metal that tarnishes in air. Neodymium was discovered in 1885 by the Austrian chemist von Welsbach.

Atomic Weight:  5354
Density:        64554.989 g/cm3
Melting Point:  523 °C
 Boiling Point: 623°C