Polished Ammonite Split Pair - 4.816" Cleoniceras phytosaur-scute a powerful asteroid crashes to

a powerful asteroid crashes to the ground

Three specimens from NASA's history

gemstones still captivate due to their stunning colors

one could strike fear into them all: the Hell Pig

Polished Ammonite Split Pair - 4.816" Cleoniceras phytosaur-scute a powerful asteroid crashes toAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 816" polished Cleoniceras fossil from Madagascar. The fossil has been split into a paired set to showcase the beautiful internal chambers of the shell. These internal chambers are called septa and the ammonite could fill them with air in order to float through the ocean like a balloon. After millions of years, they are now