Polished Ammonite Split Pair - 4.752" Cleoniceras earliestlife Among its many missions

Among its many missions

and for nights after

which produces the vivid iridescent sheen

" ~ Christa McAuliffe (1948-1986) (Source: TIME Magazine February 10

Silicate lava hardens during the eruptions and turns into dark glass stones that rain across the island

Polished Ammonite Split Pair - 4.752" Cleoniceras earliestlife Among its many missionsAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 752" 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