My cerium oxide is a pinkish colour. Polishes very well. Scratches at the polishing stage can be left over from previous grits or from dirt and impurities in the air. Such as dust falling from a shelf above or blowing in. Rinse every thing thoroughly before starting a session and keep your lap in a sealed box. I have had a scratch when I was a little careless about dust and rinsing off . Improved after better attention.
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