Polished Ammonite Split Pair - SOLD 4.380" Cleoniceras giftsmoms They are set into sterling

They are set into sterling silver

75" Pietersite cabochon set into a sterling silver bezel

Above: An artist's rendition of Knightia and the Fossil Lake ecosystem

the eggshell is also enclosed in a small acrylic specimen jar

This specimen is a fossilized tooth from an Edmontosaurus

Polished Ammonite Split Pair - SOLD 4.380" Cleoniceras giftsmoms They are set into sterlingAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 380" 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