File:Elephant ivory tusk cross-section 1 (27105228293).jpg

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Elephant ivory (public display, Warther Museum, Dover, Ohio, USA)

Ivory is a type of biogenic gem. It is composed of hydrous calcium phosphate-carbonate and comes from the tusks of certain mammals, such as elephants and hippos. Paleoivory is derived from fossil mammoth tusks.

The ivory specimen shown above is a longitudinal cross-section of part of an elephant tusk.

Classification: Animalia, Chordata, Vertebrata, Mammalia, Proboscidea, Elephantidae
Date
Source Elephant ivory tusk cross-section 1
Author James St. John

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/27105228293 (archive). It was reviewed on 10 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

10 December 2019

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Date/TimeThumbnailDimensionsUserComment
current01:43, 10 December 2019Thumbnail for version as of 01:43, 10 December 20193,457 × 1,171 (2.1 MB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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