XL 2.7" Sawfish Fossil Tooth Barb Onchopristis Numidus Cretaceous Dinosaur Era COA Zlichovaspis where copper-bearing minerals interact with

where copper-bearing minerals interact with water and atmospheric carbon dioxide

The mineralogical composition—incorporating olivine

while clear varieties have served in gun sights and polarizing microscopes for geological studies

Its rich purple color comes from manganese impurities

Each species displayed unique adaptations that allowed it to thrive in the rivers

XL 2.7" Sawfish Fossil Tooth Barb Onchopristis Numidus Cretaceous Dinosaur Era COA Zlichovaspis where copper-bearing minerals interact withLocation: Oued Zem, Morocco Weight: 0. 6 Ounces Dimensions: 2. 7 Inches Long, 1. 1 Inches Wide, 0. 6 Inches Thick This tooth has been glued. Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Cretaceous Dinosaur Era, 100 million years ago. In the warm, shallow waters of the Upper Cretaceous, over 95 million years ago, Onchopristis glided silently, its massive 2. 5 meter long saw like rostrum cutting through the