Fantastic 1,799ct iridescent Ammonite fossil

Hailing from Madagascar, this significant ammonite fossil showcases captivating bursts of vibrant fiery ammolite opal on its shell, creating a striking visual display. Known by various names such as fire ammonite, opalescent ammonite, or iridescent ammonite, this remarkable specimen dates back to the Cretaceous era, boasting an age of approximately 100 million years. Its expertly cut inner side reveals a mesmerizing Fibonacci sequence complemented by remarkable druzy pockets. It measures an impressive 156.9mm x 124.3mm x 24.4mm.