Nearly as rare and dense as Osmium, Iridium is the highest corrosion resistant metal there is. Its most important compounds are the salts and acids it forms with Chlorine. It’s crystalline surface gives a glow more stunning than diamonds. April 2021 Iridium is now $6400 per oz
The first time ever Iridium has been sold in verified bullion cards. Take your pick of 1/4, 1/2 or 1 Grain. GrainMint always guarantees 3.6% EXTRA weight in our Non minted Bullion Cards.
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Each one of our Collectibles is Exclusive to and hand packaged and shipped by GRAINMINT
LIMITED
Every one of our Collectibles is numbered with a limited number of each being produced