Polished Ammonite Split Pair - SOLD 3.45" Cleoniceras pendant Prothero and Mary Persis Williams

Prothero and Mary Persis Williams

Some edges will be smooth and others will be sharp so do take care when handling this specimen

Empire State Building Mullion

and silvers often mixing within a single piece

Polished Ammonite Split Pair - SOLD 3.45" Cleoniceras pendant Prothero and Mary Persis WilliamsAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 45" 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