This cut Ammonite from Madagascar has been sliced and polished to show the crystal-filled internal chambers. In life, these chambers would have contained gas to keep the creatures buoyant in the water.
The Ammonite has a silver coloured chain and is supplied in an attractive gift box. The chain is made from a nickel free base metal. It also contains information about the Ammonite (the first paragraph of this description.)
Approx size of Ammonite is 3cm x 3,5cm.
The chain is approx 60cm in total length.