[Jewelry making - Article 00185] - Re: [Orchid] Fragile gemstones

[Don Rogers]

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>      Nonetheless, someone out there in the 'treating' community may
>     have found some reason to do something with it such as sharpening
>     the color bands etc?! 

    They do heat the bi colored stones, but not to sharpen the band. 
    The sharper the color band is, the more likely it is to
    fracture/seperrate at the band.  I have some rough peach tourmaline
    that has a green cap on it.  On some of the stones, you can pop the
    cap off with your fingernail.  The green is a secondary growth and
    is not truly a part of the original crystal. 

Don

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