[Jewelry making - Article 00016] - Re: [Orchid] Silver sheet online / Rough estimate 14k casting

[John Donivan]

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    Somebody else mention Thunderbird supply, in Gallup NM.  They do have
    a pretty nice web site - SS sheet, for one. 
    www.thunderbirdsupply.com.  As for 14kt. shot - maybe you know this
    - To estimate, get today's spot - we like www.kitco.com - multiply
    that by .585 - that's 14kt.  (.75=18kt) So, gold today is $338 x .585
    = $197.73 per oz. 14kt.  Divide that by 20 for $/dwt., divide by 31.1
    for $/gm.  To estimate gold for a wax, weigh the wax and multiply
    that by 13.4 (the s.g. of 14kt-15.5 for 18kt.) We use 24kt any more,
    but back when we bought 14k, we were paying from 3% to 6% over spot
    ($197.73 + 6% = $209.59), depending on quantity and the like.  If you
    go to some smaller places (or buy wire or tubing), you might pay 20%
    over - tubing is more like 100% over- but then that's tubing.......  


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