Genuine Natural Spinosaurus Dinosaur Tooth brazil forms when a tree has

forms when a tree has died and silicon dioxide forms in place of the wood that degrades until there is no wood left

Weight: 11 grams

Weight: 35 grams

The amethyst quartz crystals have intense purple color at the terminations and are nearly colorless at their bases

The meteorite was named after the city

Genuine Natural Spinosaurus Dinosaur Tooth brazil forms when a tree hasGenuine Spinosaurus (Dinosaur) tooth. Spinosaurus (meaning "spine lizard") is a genus of theropod dinosaur that lived in what now is North Africa, during the upper Albian to upper Turonian stages of the Cretaceous period, about 112 to 93. 5 million years ago. This genus was known first from Egyptian remains discovered in 1912 and described by German paleontologist Ernst Stromer in 1915. The original remains were destroyed in World War II, but