Iridium Iridium Iridium, Ir, is a silvery transition metal element, found in Group VIII of the periodic table. Properties Iridium is a hard brittle metal which is difficult to machine and work.
Iridium is a member of the platinum group and is highly resistant to corrosion.
Uses Iridium is used in the alloy of the standard meter bar in Paris, for crucibles in gravimetric analysis, in electrical contacts, and in alloy with platinum to harden it. All Rights Reserved.