Rainbow ammonites are fossilized remains of extinct marine mollusks, known for their iridescent, rainbow-colored shells. These ammonites lived during the Mesozoic Era, approximately 200 to 140 Million Years Ago, and were close relatives of modern squids and octopuses. Their coiled, chambered shells offered protection and buoyancy as they navigated ancient oceans.
The rainbow-like appearance on some ammonite fossils, especially those found in areas like Alberta, Canada, is due to a phenomenon called "ammolite," where the fossilized shell develops a gemstone-like, opalescent layer over time. This stunning coloration is the result of mineralization, where layers of the shell's aragonite are preserved under specific conditions.
Ammonites were widespread and diverse, with species varying greatly in size and shape, and their fossils are often used to date geological layers. They became extinct along with the dinosaurs during the mass extinction event at the end of the Cretaceous Period. Today, rainbow ammonites are prized for their beauty and are sometimes used in jewelry and decorative art.
Ancient Artifacts guarantees the Authenticity of items sold through a three layer system of protection:
Your Ammonite Fossil will look very similar to the one shown in the photos. There will always be some variety, given our items are unique historical pieces. The display case included is openable so that you may easily handle and closely observe the artifact. If for whatever reason you get anything that does not fit this description you are entitled to your money back!
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