Cretaceous Fossil Coral Sphere – Madagascar A remarkable polished sphere of fossilized coral from the Cretaceous period, displaying intricate natural patterns that reveal the structure of ancient marine life. The warm honey-brown tones and delicate cellular formations make this piece both scientifically significant and visually captivating. Formed over millions of years through mineral replacement, the coral’s original organic framework has been preserved in exquisite detail, transforming it into a timeless natural artwork. An elegant addition to any fossil, mineral, or decorative collection. Includes the clear plastic stand shown for display. Sphere diameter: 8.8 cm.