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#1 |
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Join Date: Sep 2014
Location: Austria
Posts: 1,911
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The geometry of the cracks is consistent with ivory.
From all I know there are some ivorine resins that crack, but without round/circular cracks. Round/circular cracks are specific to ivory as they follow the growth rings. |
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#2 | |
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Join Date: Oct 2018
Posts: 674
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