Would this work in my rock tumbler for polishing step? (In place of aluminium oxide)
Would this work in my rock tumbler for polishing step? (In place of aluminium oxide)
No, while cerium oxide does have a slight abrasive quality to it, it will not "polish" or grind rocks. You would still need something with a higher abraisve quality as the cerium would turn into more of an oil inside the tumbler.
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