Cleoniceras Ammonite Small Inspiration Mine These pieces are polished into

These pieces are polished into the shape of a skull

BUT this piece does have a marvelous cluster of striated pyrite crystals on quartz

Weighing 2 pounds

and typically colorless quartz

width and height

Cleoniceras Ammonite Small Inspiration Mine These pieces are polished intoAmmonites were ocean dwelling mollusks that lived from the mid Devonian (388 million years ago) through the Cretaceous (66 million years ago). The closest living relatives found today are octopus, squid, and cuttlefish. These fossils are found in sedimentary rock layers of limestone, clay, or shale. The mineral composition of the shell can include iron, manganese, and aluminum, creating vibrant colors. You will receive the exact item pictured.