Ammonites Ammonites came in a range of shapes and sizes from the truck tyre sized Tropaum imperator to species the size of a ...

For over 300 million years, the ammonites ruled the prehistoric seas. Finding an ammonite fossil isn’t particularly rare (they can be unearthed all over the world) but they’re still thrilling to ...

Vivid-colored ammonite fossils that are mined in Alberta, Canada, are known as gemstones called “Ammolite.” The specific colors having narrow reflectance spectra are ascribed to an interference ...

Some fossils of long-extinct sea creatures display brilliant rainbow colors. Known as ammolite, these gems come from the fossilized shells of ammonites, squid-like marine animals that vanished with ...