Cleoniceras Ammonite Small spotted agate palm stone These pieces have been polished

These pieces have been polished into an obelisk shape

are the oldest known fossils

or with vein minerals like quartz

It's estimated that between 1904 and 1991

or other oxides creating a spotted appearance

Cleoniceras Ammonite Small spotted agate palm stone These pieces have been polishedAmmonites 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