Flashing! 320ct iridescent Ammonite fossil

This collectors ammonite fossil was sourced from Madagascar, and displays beautiful flashes of vivid red and violet ammolite opal that really pop. Referred to as fire ammonite, opalescent ammonite or iridescent ammonite, this incredible piece originated in the Cretaceous era, and is approximately 100 million years old. It measures 61.2mm x 48.8mm x 18.2mm.