[Jewelry making - Article 00105] - Re: [Orchid] Using copper carbonate for fusing

[Donna Hawk]

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>      I'm teaching a workshop on silver fusing this weekend, so it
>     would be great to figure out whether copper carb is a help! Thanks
>     for any help! --Noel 

    Noel... I'm just now learning the techniques and relying a lot on
    Oppi's observation of traditional techniques. Looking in the index
    of his 'bible', the only time he refers to using copper carbonate is
    to color metals. Specifically, it is used with other ingredients to
    color brass a blue-black and a yellow to bright red. 

    When fusing granules, he either plates copper on the granules with
    the spent pickle technique or intentional firescale prior to placing
    on the base piece, or he adds one of the following to the organic
    binder: copper hydroxide, copper chloride, copper sulphate, or
    copper acetate. 

    His photo of a Nepalese goldworker fusing a granulated 22K nose ring
    with a kerosene lamp and a blowpipe while it sits on a mica sheet on
    a handheld piece of charred wood is quite humbling! (see pg 349 of
    his Jewelry Concepts and Technology) 

Donna in Dallas 


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