Cut & Polished Agatized Ammonite Fossils for Sale

Cut and polished agatized ammonite fossils showcase the natural artistry and geological complexity of Earth’s ancient oceans. Hand-selected from fossil-rich deposits in Madagascar, these genuine ammonites date back to the Cretaceous period (approximately 65–110 million years ago) and have been carefully cut and polished to reveal their intricate internal chamber structures.

Each specimen displays the classic spiral form of this extinct marine mollusk, while the polished cross-section exposes vibrant agatization, including natural agate, calcite, and other mineral infillings. The result is a striking combination of scientific significance and natural beauty, with colors and patterns formed entirely through natural fossilization.

Whether you’re expanding a fossil collection, creating a unique display, or searching for a one-of-a-kind gift, cut and polished agatized ammonites offer a captivating connection to Earth’s deep past and are prized for both their visual appeal and educational value.

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