[Jewelry making - Article 00026] - Re: [Orchid] Light entering faceted stones

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    	My experience is that when a stone is faceted to correct critical
    angles, what is behind the stone does not have any effect. I have
    shown this to my customers over and over. Think of a correctly
    faceted stone as a mirror. Does a light behind the mirror have any
    effect?  There is a tilt angle that will allow light to pass thru
    from the back. It does not appear to me to have the desired effect of
    reflection or refraction that is what makes a stone attractive. If
    you look at a windowed stone, it usually looks good around the edge
    where the crown facets are, but washed out color and no brilliance
    thru the table. On a windowed stone table horizontal to something
    with printing on it, you can read the print. With a properly faceted
    stone held with table horizontally to the paper, you can not read the
    print. If a windowed stone is set with  an open back, you can see
    the skin of the person wearing it. With a properly faceted stone, you
    cannot. 	At least this is what happens in my world. 	Richard in Denver  

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