[Jewelry making - Article 00054] - [Orchid] New sapphire treatment

[K Morrow]

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    Ugly Greenish Sapphires are being diffusion treated to look like
    those lovely apricot orange Sapphires,  I would call them by name
    but the letter between 'i and k in the alphabet has stopped working
    on my key board, Padpoura-a is as close as I can get!   Anyway, the
    GIA has started testing them, dont know if the colour is safe to
    heat,  be careful at Tuscon!     karen in vancouver 

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