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piece of mammoth or mastodon tusk



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© 2010 tracer

piece of mammoth or mastodon tusk

photos of the cross-grain view of a piece of fossil ivory showing the distinctive schreger line pattern that makes it easy to tell that it's ivory instead of fossil wood or some other thing.



    Thanks so much for explaining things so well. I have looked at your pics and the way you explain simple, obvious, occurrences makes it much easier to retain! (this is a major feat!) Laughable Learning...thats the ticket!