5.9" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Koskinonodon This powerhouse mineral dominates the

This powerhouse mineral dominates the Earth’s surface as the backbone of limestone and marble

which has one of the longest and most continuous fossil records

Halite comes in a range of colors due to impurities

Imagine the ground trembling beneath their weight

long after the seafloor turned into thick layers of rock

5.9" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Koskinonodon This powerhouse mineral dominates theLocation: Michigan, United States Weight: 6. 2 Ounces Dimensions: 5. 9 Inches Long, 2. 2 Inches Wide, 1. 1 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