Polished Ammonite Split Pair - 3.948" Cleoniceras salyut Above: Single specimens displayed on

Above: Single specimens displayed on a small slab of rough material

has earned her enduring popularity

we are excited to bring more material to the store

The regmaglypts show a glossy fusion crust and a thumbprint-like ablation pattern formed from the intense heat and pressure of atmospheric entry

John Uri of the NASA Johnson Space Center posted this touching retrospective of the crew from STS-51L on the 35th anniversary of the disaster

Polished Ammonite Split Pair - 3.948" Cleoniceras salyut Above: Single specimens displayed onAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 3. 948" 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