[Jewelry making - Article 00328] - Re: [Orchid] The Beilby Layer

[Helen Hill]

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>     I'm not a scientist, but I remember while polishing an opal with
>     cerium oxide I watched the surface of the stone 'flow' to a perfect
>     polish. 

    That's exactly what I get when polishing silver which is why I asked
    the question in the first place. Don't ask what compound I'm using
    though, as I don't know. My husband had it in the garage and he used
    it to polish the exhaust pipes on my motorbike to a mirror finish
    years ago. It's a block in a sort of pale blue colour. 

Helen
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