Date of Discovery: 1886
Discoverer: Paul Emile Lecoq de Boisbaudran
Name Origin: From the Greek word dysprositos (hard to get at)
Uses: Nuclear reactors
Obtained From: Erbium, holmium

 
Atomic Number: 66
Atomic Mass: 162.5 amu
Melting Point: 1412.0 °C (1685.15 °K, 2573.6 °F)
Boiling Point: 2562.0 °C (2835.15 °K, 4643.6 °F)
Crystal Structure: Hexagonal
Density @ 293 K: 8.536 g/cm3
Color: Unknown

 
Isotope
Dy-154
Dy-156
Dy-157
Dy-158
Dy-159
Dy-160
Dy-161
Dy-162
Dy-163
Dy-164
Dy-165
Dy-166
Half Life
3.0E6 years
Stable
8.1 hours
Stable
144.4 days
Stable
Stable
Stable
Stable
Stable
2.3 hours
3.4 days