[Jewelry making - Article 00708] - Re: [Orchid] Chatoyant Beryl

[Michael . Hing]

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>     a blue chatoyant beryl with practically no green? 

    The chatoyancy in beryl is caused by fine growth tubes, and I've
    seen stones or photographs of stones that show the effect in
    colourless (goshenite), blue and blue-green (aquamarine), pale green
    (green beryl), deep green (emerald), and deep pink (morganite). 

    That really only leaves the yellowish tones (heliodor) and red - and
    I don't know of any chemical reason why these colours shouldn't show
    the effect as well. 

?8-)
-Michael.



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