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<p>[QUOTE=&quot;Bronwen, post: 4392414, member: 5833&quot;]That&#039;s the determination I&#039;m trying to make.&nbsp; All a single piece of hardstone (<i>pietra dura</i>; banded agate; sardonyx) or shell glued to stone or glass.&nbsp; Both occur.&nbsp; I picked up a term I like from an auction house one time: assembled piece.</p><p><br /></p><p>Shell on stone:</p><p><br /></p><p>[ATTACH=full]370047[/ATTACH] [ATTACH=full]370048[/ATTACH] </p><p><br /></p><p>If the white figure is shell, you will be able to see the brown layer behind the white when looked at from the side, &amp; sometimes some glue.[/QUOTE]</p><p><br /></p>

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