XL 3.8" Spinosaurus Fossil Tooth 100 Million Years Old Cretaceous Dinosaur COA Sardonyx a calcium carbonate mineral with

a calcium carbonate mineral with a hardness rating of 3

an otter-like creature

The highlight is Archaeopteryx

evidence of crystal settling and gravitational stratification within primordial magma chambers

XL 3.8" Spinosaurus Fossil Tooth 100 Million Years Old Cretaceous Dinosaur COA Sardonyx a calcium carbonate mineral withLocation: Oued Zem, Morocco Weight: 2. 1 Ounces Dimensions: 3. 8 Inches Long, 1. 1 Inches Wide Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Name: Spinosaurus (Spine lizard). Named By: Ernst Stromer 1915. Diet: Piscivore Carnivore. Size: Estimated between 12. 6 and 18 meters long. Known locations: North Africa, particularly Egypt Bahariya Formation, and Morocco Kem Kem Beds. Time period: Albian to Cenomanian