1043----Shark Tooth embedded in rock

What I believe to be a shark's tooth embedded in rock. Please review all of the images. Overall size of this object is 2-1/4 x 1-1/4r Please note:  This item has not been analyzed by an expert in this field.  Completely out of my expertise, just did the usual online research and made my own conclusion.  I offer no guarantee. Pictures sell! Auctiva offers Free Image Hosting and Editing. The complete eBay Selling Solution. Track Page Views With Auctiva's Counter