[Jewelry making - Article 00155] - [Orchid] Instead of gloopy coolants

[Robert Powell]

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    To reduce a stones exposure to excessive heat when soldering try
    this. Get a pet food can or tuna fish can and a lid plastic which
    will tightly fit it . Fill the lid nearly to the top with clean fine
    sand. Wash the sand if needed. Add enough water to make it very wet
    yet moldable. Then squish the sand into a M shape and place the ring
    sticking out of it Deeply bury the gemstone and leave only the shank
    or offending portion exposed. When You add boric acid, paint on and
    burn off the alcohol several times. Use enough to make a pasty
    covering on the sand it is cheap. This protects the stone from heat
    and the ring from oxidation . When You solder , place the solder on
    the top and heat from below up . A smith little torch with a #  6 or
    7 tip will produce a large QUICK heat . Place the lid on the can until
    it is next needed. 

ROBB



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