Dinosaur Gastrolith - 2.055" Gut Stone - 150,000,000 Years Old rockinaboxdendrite Multicolor - Variety of colors

Multicolor - Variety of colors

This specimen is an Elephant Bird eggshell fragment

Early research on the SNC group showed them having a younger age and different composition than most other meteorites

meaning this glass formed with water present that evaporated during its formation

Dinosaur Gastrolith - 2.055" Gut Stone - 150,000,000 Years Old rockinaboxdendrite Multicolor - Variety of colorsWithout 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. 055" 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