Rarest of the rare

Discussion in 'Metal Futures' started by nitro, Aug 4, 2011.

  1. nitro

    nitro

    The rarest non-radiological metal in the Universe is Iridium. Rhodium may be the most expensive per troy ounce. Isotopically pure platinum-190 is the most precious metal in the world.

    No one talks about them, but I suspect they will be very important in the future.