Polished Ammonite Split Pair - 3.556" Cleoniceras showcasejewelry2025saleall Originally featured in the Fourth

Originally featured in the Fourth Edition of the Mini Museum

70" polished Cleoniceras fossil from Madagascar

Known as the Queen of the Skies

Its launch date was repeatedly postponed and it became one of the most highly-anticipated space missions until it finally launched on Christmas day in 2021

This specimen is a 11

Polished Ammonite Split Pair - 3.556" Cleoniceras showcasejewelry2025saleall Originally featured in the FourthAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 556" 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