Name :  Erbium
Symbol :  Er
Atomic Number :  68
Atomic Weight :  167.26
Specific Heat :  0.17 J/gK
Melting Point :  1529°C
Vaporization :  261.0 kJ/mol
Boiling Point :  2868°C
Electronegativity :  1.24
Density@293 K :  9.05 g/cm³
Discovered :  Carl Mosander, Sweden, 1843
Description :  Soft, malleable, silvery metal.
Uses :  Erbium oxide is used in ceramics to obtain a pink glaze. Also a few uses in the nuclear industry and as an alloying agent for other exotic metals. For example, it increases the malleability of vanadium.