[Jewelry making - Article 00313] - [Orchid] Cuttlefish Casting Problem with firescale

[mjoat]

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    Could be that the metal was to hot and burned the cuttlefish bone.
    Could be the bone itself as with all things that eat other things,
    you tend to be what you eat. Not all cuttle fish are created equal.
    Could have gotten some from a totally different part of the ocean
    and trace elemnts caused problems. 

    Try a button casting with the same procedure you did the first
    time,and then one the way you did it the second time. you can
    compare the two side by side. Did you add new metal to the old stuff
    for each casting. I have found that adding new metal to each melt
    seems to help the casting. Also do you use the melting vessel for
    more than one type of metal. It is a good idea to use seperate
    melting pots. No cross contamination. And finally it could have been
    a one time deal, due to unhappy shop trolls ! 

Been there, done that and still trying to figure it out !
glen
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