[Jewelry making - Article 00507] - Re: [Orchid] Disappearing diamonds fired in PMC

[Mary Ellin D'Agostino]

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    The reports of the diamonds burning up in PMC were fired at 1650F
    (900C) for 2 hours. This is the firing schedule for the origninal
    (Standard) PMC. The question is not whether the temperature alone is
    an issue, but the amount of time spent at temperature. How long did
    you leave the diamond at 900C? 

Mary Ellin D'Agostino, PhD
www.medacreations.com
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