Polished Ammonite Split Pair - 4.240" Cleoniceras rockinaboxsericho " which we then seal

" which we then seal in resin and polish right here in our shop

hidden in simple lumps of sedimentary rocks you can find incredible caches of crystals

but once brick material is sold out

making for a stunning natural work of art in each rock

They were air-breathing creatures with two nostrils situated far back on the top of the head

Polished Ammonite Split Pair - 4.240" Cleoniceras rockinaboxsericho " which we then sealAmmonites are an extinct group of cephalopods that entered the fossil record 400 million years ago. This specimen is a 4. 240" 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