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<p>[QUOTE=&quot;Bronwen, post: 451682, member: 5833&quot;]Like Kiko, I also find the look of chips &amp; cracks informative about the nature of the material.</p><p><br /></p><p>Think this is the photo referred to:</p><p><br /></p><p>[ATTACH=full]156814[/ATTACH] </p><p>If it is the right photo, not sure where the fracture line is.&nbsp; What I do find curious, &amp; it may in part be due to my misreading the photos, is that beads seem to have a zigzag cut into both ends, but sharper on one side (blue squiggles) &amp; less defined on the other (yellow).</p><p><br /></p><p>[ATTACH=full]156815[/ATTACH] </p><p><br /></p><p>Bou, can you show or explain what&#039;s going on in these places?&nbsp; Are those points smooth to the touch or ragged?[/QUOTE]</p><p><br /></p>

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