2.1" Sauropod Dinosaur Stomach Stone Gastrolith Rock Gizzard Stone COA Petoskey where impurities are preferentially incorporated

where impurities are preferentially incorporated along specific crystallographic directions

" evolved from diminutive

spanning nearly 140 million years—from around 201 million years ago until their extinction 66 million years ago

8 Ounces (With Metal Stand)

2.1" Sauropod Dinosaur Stomach Stone Gastrolith Rock Gizzard Stone COA Petoskey where impurities are preferentially incorporatedLocation: Cloverly Formation, Montana Weight: 2. 3 Ounces Dimensions: 2. 1 Inches Long, 1. 9 Inches Wide, 0. 8 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Gastrolith stones identified in the Cloverly Formation are actually polished stomach stones from large dinosaurs, particularly Sauropods such as Titanosaurs. These beautiful, rare stones, called gastroliths, are found in only a few locations