Polished Ammonite Split Pair - SOLD 4.51" Cleoniceras megalodon opals have held the attention

opals have held the attention of humans for many thousands of years

The tool was recovered in Tanzania and is estimated to be between 400

To find the two in combination is highly unusual and a puzzle that geologists are still working to unravel

Please Note: This specimen is quite small and being leather it will fray over time

Above: The Front of the Specimen Card

Polished Ammonite Split Pair - SOLD 4.51" Cleoniceras megalodon opals have held the attentionAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 51" 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