[Jewelry making - Article 00491] - Re: [Orchid] Making my own Crucibles

[MillsGem]

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    What an interesting subject.....I can think of several applications
    that would be useful to me. 

    ( I've got some antique casting machines that need crucibles.) When
    I was in Ghana, Africa I encountered native made crucibles used in
    casting brass and gold. They appeared to be quartz with an unknown
    binder and may have been shaped by hand. It seems to me that
    carborundum would be an excellent substance for use as a refractory
    if one could figure out what to use as a binder. ( Beats the hell
    out of using it for making Moissanite ) 

Ron Mills, Mills Gem Co.Los Osos, Ca.

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