Polished Ammonite Fossil Slice | Striking Collector Specimen field guide While you're playing

While you're playing

printed both sides and closed with zip

captured in Darling Harbour in December 1882

highlighting its unique shape

The zoo helpfully donated many bird and animal species that year

Polished Ammonite Fossil Slice | Striking Collector Specimen field guide While you're playingOwn a piece of Earth's deep past with these polished ammonite fossil slices from Madagascar. Genuine Cretaceous specimens, approximately 100 million years old, they are prized by collectors for their striking chamber structure and natural mineral detail. Each half of this sliced and polished ammonite reveals the beautiful internal chamber structure formed over millions of years, with intricate natural patterns, delicate crystal formation and mineral