 |
Date of Discovery: |
1878 |
Discoverer: |
J.L. Soret |
Name Origin: |
Form the Latin word Holmia (Stockholm) |
Uses: |
Nuclear reactors |
Obtained From: |
Gadolinite |
Atomic Number: |
67 |
Atomic Mass: |
164.93031 amu |
Melting Point: |
1470.0 °C (1743.15 °K, 2678.0 °F) |
Boiling Point: |
2720.0 °C (2993.15 °K, 4928.0 °F) |
Crystal Structure: |
Hexagonal |
Density @ 293 K: |
8.54 g/cm3 |
Color: |
Silver |
Isotope |
Ho-163 |
Ho-165 |
Ho-166 |
Ho-166m |
Half Life |
4570.0 years |
Stable |
1.1 days |
1200.0 years |
|