[Jewelry making - Article 00650] - Re: [Orchid] Inside of a bezel from tarnishing?

[David L. Huffman]

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Hi Marein;

    Nothing like paint is ever going to be really permanent.  I've seen
    people use cut out pieces of CD's under their more transparent
    stones.  That should last.  However, if the idea of putting plastic
    under your gemstones offends your aesthetics, here's what I've seen
    done on historical pieces, perticularly under old rose cut diamonds. 
    They used pure tin, either in the form of foil trapped under the
    stone, or actually "tinning" the inside of the bezel, by applying a
    soft soldering flux and heating the article until the tin melts (275
    F? or so?) then using a small steel brush, spreading it around to
    help it adhere to the metal.  It can even be burnished to a nice
    shine.  If it's reagent pure tin (from a chemical supply company),
    it will take a very, very long time to tarnish. 

David L. Huffman

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