[Jewelry making - Article 01052] - Re: [Orchid] Melting white gold 18kt palladium alloy

[Peter W . Rowe]

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>     I liked how white they were but other than that the stuff is a pain
>     and it is expensive, It is a little softer but not much. 

    Which just goes to illustrate well, that there are different
    variations of 18K palladium white gold. The ones I've worked with
    were no harder than platinum or some yellow gold, though perhaps,
    for setting work, slightly more crumbly in front of a graver at
    times. But in general, it's pretty soft, not like most nickel white
    golds, especially the "super whites" we also use, which are sometimes
    very very hard indeed. 

    But the color of the palladium white golds we've used is decidedly
    more brownish in tone than any of our nickle white golds. Makes
    identifying it easy, especially on a satin or sanded surface, where
    the color difference is clear when held next to a sample of the
    nickle white. Normal casting was a disaster using our standard gold
    investment. Switching to platinum investment has improved things
    enormously. 

Peter Rowe

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