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<p>[QUOTE=&quot;Bronwen, post: 11322309, member: 5833&quot;]I think you&#039;re right.&nbsp; Where there is chipping it does look more like glass, which would make sense, given that other examples are glass of various kinds.</p><p>This isn&#039;t conchoidal, but it is a case of plastic fracturing with a smooth rounded edge.&nbsp; This is just how it looked when I picked it up off the floor where the cat had knocked it:</p><p><br /></p><p>[ATTACH=full]541121[/ATTACH]</p><p><br /></p><p>Yet the bits that came off were like shards.[/QUOTE]</p><p><br /></p>

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