Holding a Silver iridescent ammonite is like holding a sliver of ancient light. These exceptional ammonoids fossil specimens from the Middle Cretaceous (~110 million years ago) are treasured for their natural nacre that flashes silver, rainbow, and opalescent tones. Sourced from Madagascar’s Mahajanga Province, they combine scientific importance with stunning visual appeal. https://fossildriven.com/collections/silver-iridescent-ammonites