Dinosaur Gastrolith - SOLD 2.727" Gut Stone - 150,000,000 Years Old phytosaur-tooth Each sphere measures approximately 9-10

Each sphere measures approximately 9-10 mm in diameter (0

With every box

where the boundary is exposed to the surface

These rocks are known as geodes

producing branches of crystalized material that crisscross the crystal matrix

Dinosaur Gastrolith - SOLD 2.727" Gut Stone - 150,000,000 Years Old phytosaur-tooth Each sphere measures approximately 9-10Without proper digestive systems, many dinosaurs would ingest stones to aid the breakdown of food in their gut. Known scientifically as gastroliths, the dinosaurs would eventually pass these stones, which would then become fossilized. This specimen is a 2. 727" dinosaur gastrolith from the Morrison Formation in Colorado. It ships in a protective carton, ready for display right out of the box. A specimen card that doubles as a certificate of