This product is a rare and dazzling specimen of Baculite/Ammolite, featuring iridescent and opalized qualities. Hailing from the Pierre Shale formation in western ElPaso County, Colorado,United States, this fossilized material showcases unique and eye-catching colors and patterns, making it a coveted item for collectors of rocks, fossils, and minerals. With its stunning visual appeal and historical significance, this piece would make a striking addition to any display of crystals and mineral specimens.