Spinosaurus Tooth - SOLD 3.246" Natural Wear Fossil mmj-hq-kk It is estimated to be

It is estimated to be approximately 146-156 million years old

They are hand cast in Colorado by a family that specializes in creating bismuth crystals for the jewelry industry

Christa McAuliffe

the shuttle’s career included the first repair mission for the Hubble Space Telescope and the addition of the Unity Module to the ISS

"Structural Analysis of Olivine in Pallasitic Meteorites: Deformation in Planetary Interiors

Spinosaurus Tooth - SOLD 3.246" Natural Wear Fossil mmj-hq-kk It is estimated to beTopping out at just over 18m long (59ft), Spinosaurus is one of the largest carnivorous dinosaurs ever discovered. This family of giant theropods also happens to be among the most surprising creatures in the fossil record. This specimen is a naturally worn, fossilized crown and partial root of a real Spinosaurus tooth from the Kem Kem fossil beds of Morocco. It measures 3. 246" in length.