[Jewelry making - Article 00301] - Re: [Orchid] "Cherry Quartz" beads

[Holt]

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    Rather than go to the trouble of cutting and polishing a facet  and
    getting an R.I., which may be so close to the R.I. of quartz as to
    be of no help anyway, why not put it under a polariscope since
    quartz is D.R. and glass is amorphous? The fact that the beads have
    round bubbles in them however is enough evidence of  their being
    glass for me. Jerry in Kodiak


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