Ammonites were marine animals belonging to the phylum Mollusca and the class Cephalopoda. They had a coiled external shell similar to that of the modern nautilus. These have been fossilized and replaced with agate and other minerals.
Its spiral shape symbolizes continual change and evolution. Ammonites have absorbed cosmic energy over eons of time and help to stimulate the life force
Large ammonites are just over 1x1inches