This earthy tiara features an ammonite fossil that dates up to 400 million years old. This stone is believed to carry wise energy. Ammonites existed during the Devonian period and went extinct around 65 million years ago. The Fibonacci spiral is seen in all of Ammonite. This is a number sequence that is present in nature. It is a natural growth pattern that can also be seen in pine cones, shells, plants, etc.This patttern can be symbolic of evolution.