[Jewelry making - Article 00242] - Re: [Orchid] Rolling out 14K

[Jay Whaley]

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Aimee,

    I'm betting its your "mystery gold". Remember that there are 2 basic
    kinds of gold alloy. One is a rolling alloy, which will roll out
    well, and designed for that purpose. You can also cast with it. The
    second type is a casting alloy. It casts well, but will NOT roll out
    well at all. In fact, some alloys are too tough to even raise a bead
    in, for bead setting stones. Except for exceptional cases, I always
    use a rolling-type alloy for all my work, so I can roll out any
    stock I need, and cast with it as well. You will want to remember
    that even a bit of a casting (brittle) type of alloy, mixed in with
    your new metal will cause problems, in my experience. If you don't
    know what type of alloy you are dealing with, then getting it to roll
    out will always be a crap- shoot. Scrap metal is not fun to work
    with, as it has very inconsistant results, all through the process.
    If I were you, I'd take the whole lump and send it into a refiner, to
    get your pure gold back out of it. Do your homework and buy a good
    rolling alloy from a refiner, which rolls well and has a color you
    like, and use that for your alloying. You'll be amazed at the
    results. Good luck. I hope that helps. 

Jay Whaley UCSD Craft Center
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