[Jewelry making - Article 00216] - Re: [Orchid] Dark stain on gold?

[M. Clodius]

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    Hello ,   I have seen similar stains from time to time  . Do you
    alloy your own metal ? you may not have a homogenous mix.  possble
    solution would be to gold plate over area .  Secondly solder may
    "stain" an area adjacent to its use , something in the solders alloy
    reacts to enviromental chemicals in a different manner than the base
    metal , you may not be able to see this in a polished piece , I
    suggest re-sanding  the area , to get through the contaminated area
    and then polishing  again , its done the trick for me in the past . 

 Mark Clodius


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