[Jewelry making - Article 00004] - Re: [Orchid] Flintstone arrow head

[coralnut]

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Dick,

>     Heating is deliberately used to make carnelian redder, so it is
>     certainly possible to heat these materials without destroying them. 

    So true.....however, from the original post, it appeared they wanted
    to actually SOLDER flint into a piece. Heating agate to a couple
    hundred degrees slowly to produce carnelian slowly and then cooling
    it slowly in a controlled atmosphere is one thing. The thermal shock
    sof quickly bringing it to anything approaching soldering temp and
    then letting it quickly air cool would result in lumps of
    nothingness! 

    Cheers from Don at The Charles Belle Studio in SOFL where simple
    elegance IS fine jewelry!
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