Set of 4 Fossil Ammonite Mosaic Discs – Upper Cretaceous Elegance This exquisite set of four round mosaic plates features fossil ammonites from the Upper Cretaceous period, primarily Cleoniceras, carefully selected and inlaid. Each piece measures 11 cm in diameter and only 0.5 cm thick, achieved through meticulous cutting, polishing, and resin stabilization. The polished surface reveals a captivating arrangement of ammonite cross-sections in warm tones ranging from amber to smoky gray. The internal chambers and sutures are exceptionally well preserved, while mineral inclusions add shimmering highlights in the light. The ammonites are authentic specimens from the Upper Cretaceous, showcasing remarkably detailed sutures and chamber geometry that emphasize their natural structure. Stabilized in clear resin, these creations are durable and glossy, with smoothly rounded edges and a flawless mirror finish. Perfect for wall mounting, display on a stand, or use as luxury coasters (mounting hardware not included), these discs are a refined fusion of science and art. Each piece is unique—a collectible and conversation-worthy object formed over 100 million years ago.