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<p>[QUOTE=&quot;Bronwen, post: 4389213, member: 5833&quot;]Fun, isn&#039;t it?&nbsp; Soon you&#039;ll be joining some of us others in the dark closet with our little flashlights.</p><p><br /></p><p>Most materials just reflect back purple light.&nbsp; Some things change colors: there are apparently white diamonds that look blue; lab grown rubies go from deep red to hot pink.&nbsp; Some materials absorb the light &amp; continue to look the same color as always.&nbsp; I have found this particularly with natural materials like antler &amp; ivory.[/QUOTE]</p><p><br /></p>

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