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shaped by centuries of copper mining
contain a central skeletal core and radiating internal walls that create the signature honeycomb appearance visible on fossil surfaces
rugose corals (horn-shaped corals adding vertical complexity)
Andalucite is one of three polymorphs of the mineral Al2SiO5
Among the most formidable of these prehistoric crocodiles was Deinosuchus
3" Sauropod Dinosaur Stomach Stone Gastrolith Rock Gizzard Stone COA Moon shaped by centuries of copperLocation: Cloverly Formation, Montana Weight: 3. 9 Ounces Dimensions: 3 Inches Long, 1. 4 Inches Wide, 1. 2 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. This is a real Gastrolith. Gastrolith stones found in the Cloverly Formation are actually Polished stomach stones from large dinosaurs! They are very beautiful and come from Sauropod Dinosaurs like Titanosaurs. They are also called Gastroliths.