[Jewelry making - Article 00181] - Re: [Orchid] Aspial's Purple Gold

[Peter W . Rowe]

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>     I am wondering however if Aqua Regia or related acids or salts
>     could be used to create similar surface textures. An interesting
>     experiment perhaps. 

    I'd imagine this would work. But it sounds to me like the hard way
    to do that texture. For those small inlays with that "bark" carved
    texture, you could just texture it with a bur in about the time it
    would take to start to wonder what sort of etch resist to use. Not
    sure if a steel bur would work well, but certainly a small carbide or
    diamond point would do it just fine. Now, if you're doing large
    areas, or hundreds of textured pieces or something, perhaps etching
    is a way to go. But given the problems with the chemicals needed to
    etch high karat gold, when there's a simpler method available, I'd go
    for that in preference... 

Peter



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