Iridium
Description
A silver-white colored precious metal, a chemical element with the symbol Ir and atomic number 77.
Application
It is used in jewelry, electronics (especially contacts and electrodes), scientific instruments, and the chemical industry.
Extraction
The main producing countries are South Africa, Russia, Zimbabwe and the USA.
Unique properties
High resistance to corrosion and high temperatures, high hardness, low reactivity with other chemicals.
Iridium is one of the rarest and most valuable metals used in high-tech industries due to its unique physical and chemical properties such as high resistance and hardness.