2.1" Sauropod Dinosaur Stomach Stone Gastrolith Rock Gizzard Stone COA Diogenite In Michigan

In Michigan

The texture of diogenites is typically coarse-grained

This trait supports interpretations of a fully aquatic mode of life

while exceptionally clear specimens were once crafted into gun sights and polarizing microscopes

They provide unique insights into Cambrian marine life

2.1" Sauropod Dinosaur Stomach Stone Gastrolith Rock Gizzard Stone COA Diogenite In MichiganLocation: Cloverly Formation, Montana Weight: 2. 9 Ounces Dimensions: 2. 1 Inches Long, 1. 8 Inches Wide, 1. 3 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