Huge Mosasaur Tooth in Matrix blue calcite It forms in small veins

It forms in small veins

pietersite is a pseudomorph of quartz

The different colors you see in opal is due to millions of tiny hydrated silica spheres of different sizes

size: 19" x 13

By guiding you toward the light and out of the darkness

Huge Mosasaur Tooth in Matrix blue calcite It forms in small veinsFantastic specimen for any collector! Mosasaur tooth approx. 2" long x 1. 5" wide. Matrix approx. 4. 25" x 3. 5" About 80 million years ago, there were large creatures that lived in the ocean called Mosasaurs. These "marine lizards" were powerful swimmers; air breathing predators that once dominated the seas. Mosasaurs are considered one of the Great Marine Reptiles that ruled the oceans during the Cretaceous period. Luckily for us, all Great Marine