Ammolite one of the rarest gems on earth. Ammolites iridescent colours glow with the beauty of a rainbow. Millions of years of tectonic pressure created this beautiful gem from the fossilized remains of the ammonite shell.
Astonishing Iridescent Ammonite with Rare Blue Coloration. Rarely are blue-indigo and violet seen in these specimens, yet, in this example, turquoise is also present. 110 million years old fossil. Visit Amazing Geologist for more.