5.9" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Koskinonodon Its extraterrestrial origin and optical

Its extraterrestrial origin and optical properties make it a prized specimen for mineralogical collections and scientific study

this Zizyphoides Flabellum leaf is both a scientific treasure and a visually striking display piece

which has one of the longest and most continuous fossil records

long after the seafloor turned into thick layers of rock

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

5.9" Polished Slab Petoskey Stone Hexagonaria Coral Fossil Devonian Age Michigan Koskinonodon Its extraterrestrial origin and opticalLocation: 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