Ruthenium ( Ru )
Discoverer: Karl Klaus
Discovery Location: Russia
Discovery Year: 1844
From Ruthenia Latin name of Russia.
Ruthenium is a rare member of the platinum group of metals
Applications of the metal are limited; Used to harden platinum and palladium. Also used in eye treatments, thickness meters for egg shells, fountain pen points, and electrical contacts. Aircraft magnetos use platinum alloy with 10% ruthenium.