 |
| Date of Discovery: |
1907 |
| Discoverer: |
Georges Urbain |
| Name Origin: |
From Lutetia (ancient name of Paris) |
| Uses: |
No uses known |
| Obtained From: |
gadolinite, xenotime |
| Atomic Number: |
71 |
| Atomic Mass: |
174.967 amu |
| Melting Point: |
1656.0 °C (1929.15 °K, 3012.8 °F) |
| Boiling Point: |
3315.0 °C (3588.15 °K, 5999.0 °F) |
| Crystal Structure: |
Hexagonal |
| Density @ 293 K: |
9.85 g/cm3 |
| Color: |
silvery |
| Isotope |
Lu-172 |
Lu-172m |
Lu-173 |
Lu-174 |
Lu-174m |
Lu-175 |
Lu-176 |
Lu-177 |
Lu-174m |
| Half Life |
6.7 days |
3.7 min
|
1.37 years |
3.3 years |
142.0 days |
Stable |
3.6E10 years |
6.68 days |
160.7 days |
|
