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<p>[QUOTE=&quot;Bronwen, post: 9559817, member: 5833&quot;]The presence of Schreger lines would have confirmed the material as ivory; their absence proves nothing.</p><p><br /></p><p>Do you know the &#039;tooth test&#039; used as a quick way of distinguishing fake pearls from real ones?&nbsp; I find it has some applicability to identifying other natural materials from their man made simulants.&nbsp; If you rub the handle lightly against your front teeth you may find there is a slight graininess to the material (even works with crowns, I just tried it) or, on the other hand, you may find it is slick as glass.&nbsp; If you are not sure what you are feeling, try with something you know is hard plastic for comparison.[/QUOTE]</p><p><br /></p>

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