Promicroceras pyritosum ammonite fossil (20 mm) iridescent The ammonite is very well

The ammonite is very well preserved on both sides

The fossil measures 46 mm (1

It has an extremely high level of detail down to the smallest parts

The fossil weighs 830 grams

which is turned into valuable gemstones due to the stunning iridescence

Promicroceras pyritosum ammonite fossil (20 mm) iridescent The ammonite is very wellA highly pyritised ammonite fossil of the species Promicroceras pyritosum from the world famous Jurassic Coast beach of Charmouth, Dorset UK. The fossil measures 20 mm (0. 8 inches) across, which is a good size for this species. The ammonite is very well preserved on both sides. The ribs are very finely defined and the pyritic colour and shine is beautiful. A great example of the species and incredible in the flesh. These pyrite ammonites have long