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<p>[QUOTE="Bronwen, post: 751233, member: 5833"]The lines meander: ivory not Celluloid. When cut along the length of the tusk, the striations give the impression of being parallel, but lines are in short segments, far from regular. Long, unbroken, very parallel lines are a sign of artificial material. As I said, the beads used for the earrings may show Shreger lines around the drill hole & on the opposite end; we only have side view.</p><p><br /></p><p>Grain the long way:</p><p><br /></p><p>[ATTACH=full]189708[/ATTACH] </p><p><br /></p><p>Cross section:</p><p><br /></p><p>[ATTACH=full]189710[/ATTACH][/QUOTE]</p><p><br /></p>
[QUOTE="Bronwen, post: 751233, member: 5833"]The lines meander: ivory not Celluloid. When cut along the length of the tusk, the striations give the impression of being parallel, but lines are in short segments, far from regular. Long, unbroken, very parallel lines are a sign of artificial material. As I said, the beads used for the earrings may show Shreger lines around the drill hole & on the opposite end; we only have side view. Grain the long way: [ATTACH=full]189708[/ATTACH] Cross section: [ATTACH=full]189710[/ATTACH][/QUOTE]
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