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<p>[QUOTE=&quot;all_fakes, post: 3976917, member: 55&quot;]I&#039;ve also seen similar porosity in sections of antler; to get that effect you&#039;d cut a slab of antler lengthwise rather than crosswise; such a section would show the porosity only on the back. </p><p>And one could certainly cut a bone section that would show porosity only on the back.</p><p>But ivory of any species would never show that porosity on either side.</p><p>(A cross-section of walrus tusk has a central section with an appearance that has been described as &quot;like oatmeal,&quot; and is very distinct from the outer areas; but it is not porous).[/QUOTE]</p><p><br /></p>

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