About the sample | The exhibited cobalt sample was bought from a supplier in China. It has been donated by Metodija Najdoski. |
| Z | 27 |
| ρ / g/cm3 | 8.9 |
| tt, mp / °C | 1495 |
| tv, bp / °C | 2927 |
| Ar | 58.93 |
| Electronegativity, (X) | 1.88 |
| Crystal structure | Hexagonal |
| Extended information | https://www.webelements.com/cobalt/ |