Erbium (Er)

Atomic number: 68
Symbol: Er
Atomic weight: 167.26
Boiling Point (C): 2900
Melting Point (C): 1497
Density: 9.05
heatVapor: 67
heatFusion: 4.1
Electrical Conductivity: 0.012
Thermal Conductivity: 0.023
Specific Heat Capacity: 0.04