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Cerium Oxide Polishing Powder


Our fine grade cerium oxide comes in powder form in the popular grit of 1.3 -1.6 micron particle size. This mineral powder is used for marks, blemishes and bright polishing of metals and glass surfaces, and in lapidary work for polishing Obsidian. For scratches and marks that you can feel with your fingernail we recommend using our diamond paste. 

  •  100g supplied in a grip seal bag. 75% cerium oxide content.  1.3 - 1.6 Micron
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How to use Cerium Oxide:

Mix the cerium oxide into a paste using water and either apply by hand using a cloth or sponge and plenty of elbow grease, or for best results use in a rotary tool or electric polisher on a felt bob or wheel on a slow speed. 

Keep applying the paste to the felt bob or felt wheel as it dries out. You can also moisten the felt wheel beforehand with warm water.

To make the paste:

Mix 2 x parts cerium oxide with 1 x part warm water. 

If you want a more aggressive paste mix with only a little water to form a creamy paste, if you are looking to only polish the glass surface then mix with more water to a thin slurry.


  • 75% cerium oxide content
  • 1.3 - 1.6 micron
  • 100g

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