[Jewelry making - Article 00566] - Re: [Orchid] Forgot ring in pickle

[Jim Zimmerman]

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Hello K,

    Metal is not going to be damaged by pickle. It's to weak a solution,
    even if was heated. The ring is just going to be really clean. I hot
    quench in the pickle because I want a stronger quicker cleaning 
action
    at times. (Strongest reaction will only leach out a bit of alloy on
    the surface. We're talking Microns.) 

    Since I the only one in the shop, I don't get complaints. It's not
    something you want to make a habit of. There is also a danger of heat
    shock if you don't know your stones. 

    The only time you need to careful of leaving thing in overnight is
    when you have stone in the rings. Diamonds, Rubies, or Sapphire are
    usually no problem. (Fracture filling being the only time you may 
have
    problems.) 

    What is a problem is doublets. Synthetic Peridot, opals with a
    quartz tops, anything glued together. The pickle will attack the glue
    and you'll get separation. 

    Never under any circumstances put Malachite in the pickle. It react
    instantly and get eaten up like a Alka-Seltzer table in water. 

    Be careful of pearls, they can oxidize and go frosty white. 

    These are the common problem stones, there are more. That's all I can
    think of for now. 

Jim

Jim Zimmerman
Alpine Custom Jewellers & Repair
http://www.handengravingcanada.com
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