This beautiful teardrop shape is packed with wonderful colours and lovely detail through the cross sections of ammonites (Promicroceras planicosta). A unique item for the specialist jeweller. Approximately 200 million years old.
This large specimen has been ground gem smooth and a high polish applied to reveal lovely detail and colours throughout. The matrix has a level base for upright display. A unique gift idea which is approximately 190 million years old.
This original piece of Marston Marble has been ground gem smooth and a very high polish applied to achieve a glass finish both sides. The detail within each cross-section of an ammonite is magnificent with honey coloured calcite. This quality is GRADE A which is highly uncommon. Trillions of these small ammonites (Promicroceras planicosta) were killed off in a single catastrophe some 200 million years ago. One for the serious collector of fine fossils. Discovered and prepared by Andy Cowap.