[Jewelry making - Article 00412] - Re: [Orchid] "Cherry Quartz" beads

[Rick Martin]

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    Apparently the GIA did, Douglas; it was their report in G & G that
    started this thread.  I just looked it up and the West Coast gem lab
    said: "Microscopic examination revealed not only arrays of spherical
    gas bubbles... but also irregular parallel colorless to dark pink
    bands and clouds of a somewhat reflective "copper"-colored material. 
    Gemological testing showed the material to be singly refractive with
    a R.I. of 1.460, a S.G. of 2.18, and a varied reaction to UV
    radiation, ranging from inert to moderate orange in long wave, and
    from weak to moderate greenish blue or weak to very strong yellow in
    short wave.  All of these properties confirmed the identification of
    these beads as glass." 

Rick Martin
MARTIN DESIGNS



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