Cleoniceras Ammonite Medium Pyramid tourmaline

tourmaline

It is mined exclusively in Chihuahua Mexico in a limestone matrix

The mineral composition of the shell can include iron

Average Dimensions: 1 L x 1 W x 3 H inches

Cleoniceras Ammonite Medium Pyramid tourmalineAmmonites 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.