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Vor 22 Stunden · Iridium is one of the nine least abundant stable elements in Earth's crust, having an average mass fraction of 0.001 ppm in crustal rock; platinum is 10 times more abundant, gold is 40 times more abundant, and silver and mercury are 80 times more abundant. [15] Tellurium is about as abundant as iridium. [15]
- silvery white
- group 9
- 77
