A Journey into the World of Iridium

By: Randal Meredith

All About Iridium


  • Symbol: Ir
  • Atomic Number: 77
  • Atomic Mass: 192


  • it is labeled as a transition metal
  • discovered in 1803
  • The word Rhenium comes from the Irish word "iris" meaning "rainbow".
  • The element Iridium costs roughly around $2300 per 100 grams.


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