[Jewelry making - Article 00660] - Re: [Orchid] Best Bronze for jewelry making?

[Jay C]

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    I am not sure what properties are desired for bronze in jewelry
    making, but as someone who cast 90% of everything, but too long
    inactive, I would consider using shibuichi which is 50% silver and
    50% copper. Its color would be bronze/old copper when patinated. With
    the right chemical patina it may have several colors. I did not have
    good luck with "Baldwin's Patina" from REACTIVE METALS, are they
    still in business? Mine seemed not to work, and directions that if it
    were weak they said add copper-something-sulphate or such which if I
    had to begin with, I would not have bought their patina. It is very
    castable and should be rather good to work, though solder could be a
    problem. I don't know if higher silver content would lower or raise
    the temperature to make a solder, but it would be easy to find out. I
    did one project casting shakudo and was very pleased. I had a great
    shiny black patina on the piece and then decided to redo it, a
    frequent mistake I have of seeking perfection.....I used 10% 24k. I
    would very much like to do more mixed metal pieces and have several
    things that would work out rather well...if i do the work.... 

Jay
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