• Name:Erbium
  • Symbol: Er
  • Atomic Number : 68
  • Atomic Mass : 167.26amu
  • Melting Point : 1803 K ? (1530 oC)
  • Boiling Point : 3133 K ? (2860 oC)
  • Number of Protons/Electrons : 68
  • Classification: Rare Earth, Lanthanide series
  • Crystal Structure : hexagonal close packed
  • Density @ 293 K: 8.795 g/cm3
  • Color:grayish