4 Sheldonite + 4 Mercury (byproduct of centrifuging redstone) in the Industrial Grinder = 1 Iridium, 12 Platinum Dust, 4 Nickel dust. Replace the Mercury with water and platinum dust drops to 8, still good, considering that 8 platinum dust = 1 iridium in the centrifuge.
Also, Wolframium +...