Discovered
1803Density
12 g/cm3Melts
1964 °C
- 3568 °F
- 2237 °K
Boils
3706 °C
- 6703 °F
- 3979 °K
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
Contributed by collector no. 3
1 gram Rhodium bead, possibly the most valuable precious metal. The contributor noted that the hue/sheen of Rhodium looks in-between Ruthenium and Palladium , its neighboring elements...
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