1/4, 1/2 or 1 Grain Pure Ruthenium Metal in GRAINMINT Bullion card 99.9%

Ruthenium is the first Precious metal that appears on the Periodic Table. It is usually fount in Platinum ore deposits, in tiny amounts. It is so rare that less than 50 Tons is created every year. It is used for catalysts as well as a capping layer in extreme ultraviolet photomasks. It is also used in plating of Bullion coins or Jewelry.  Ruthenium 99.9% 1/4, 1/2 and 1 Grain Pure Ruthenium Bullion Cards. The first time ever Ruthenium is sold on a Bullion card. Grainmint always guarantees 3.6% extra weight in its non minted precious metal cards.