S365 - Nicely Preserved Spinosaurus aegyptiacus Dinosaur Tooth - Red Sanstone Beds Cordania wessmani Its orange colors come from

Its orange colors come from the limonite (iron oxide) that is the product of the oxidation of the original pyrite that mineralized these fossils

Fe-Ti oxides are common in the matrix

Mosasaurinae Gervais

Sidi Chenan

Another very interesting aspect of this specimen is that a germ-emerging replacement tooth is visible within the root

S365 - Nicely Preserved Spinosaurus aegyptiacus Dinosaur Tooth - Red Sanstone Beds Cordania wessmani Its orange colors come fromNicely preserved specimen. The enamel color is astonishing, with the typical reedish colors due to the high content of iron oxides . It has a tiny glued and filled fracture, but nothinh serious. Partially rooted as well. Very nice specimen. The teeth with strong and vivid fossilization colors such as red, orange and black come from small paleochannels composed by thin layers, in the intermediate and upper stratigraphic levels (Red Sandstone Beds),