Rainbow iridescent Caloceras ammonite fossil with encrusting bivalve shell 38mm crinoid 3 inches) tall and the

3 inches) tall and the fossil ammonite measures 20 mm (0

The fossil weighs 830 grams

A stunning example of a highly pyritised ammonite fossil of the species Crucilobiceras densinodulum from the world-famous Jurassic Coast beach of Charmouth

These fossils are highly sought after

Many hours of preparation have gone into this specimen

Rainbow iridescent Caloceras ammonite fossil with encrusting bivalve shell 38mm crinoid 3 inches) tall and theA stunning example of an iridescent ammonite fossil of the species Caloceras johnstoni from North Somerset, UK. The piece of thin limestone matrix measures 128 mm (5. 1 inches) across and contains a single ammonite that measures 38 mm (1. 5 inches), making it a juvenile of this species. The ammonite is very well preserved and has been prepared out of the rock to reveal the shell, which displays some stunning iridescent colours that change depending on