2.9" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Jaw developing tightly coiled shells and

developing tightly coiled shells and intricate suture patterns that enhanced buoyancy control and structural strength

Turquoise continues to be cherished for jewelry

Each corallite’s center contained the polyp’s mouth and tentacles

Corythosaurus is a genus of “duck-billed” hadrosaurid dinosaurs that lived during the Late Cretaceous

2.9" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Jaw developing tightly coiled shells andLocation: Michigan, United States Weight: 0. 8 Ounces Dimensions: 2. 9 Inches Long, 1. 3 Inches Wide, 0. 2 Inches Thick The item pictured is the one you will receive. Devonian Age, 350 million years old Petoskey Stone is a unique rock and fossil, specifically a fossilized rugose coral known as Hexagonaria percarinata. These stones are typically pebble shaped and are found primarily in the northwestern and northeastern regions of Michigan's Lower