Discovered
1735Density
8.9 g/cm3Melts
1495 °C
- 2723 °F
- 1768 °K
Boils
2889 °C
- 5232 °F
- 3162 °K
Contributed by the site creator
Two Cobalt metal plates standing upright on their edges. The faces of the plates are bumpy and have moderate black-colored oxidation.
Contributed by collector no. 4
Cobalt group: Cobalt chips, 1 gram bead of Rhodium , and 1 gram bead of Iridium in bottles
Contributed by collector no. 3
The Cobalt metal group: Cobalt "flower" piece, 1 gram Rhodium bead, and a 1 gram Iridium bead
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