Large iridescent multi-ammonite display fossil iridescent and the colour is beautiful:

and the colour is beautiful: a deep chocolate brown with detailed suture lines

25 inches) across

as is standard for these fossils due to the way they erode in cliff falls on the Jurassic Coast

often collecting around an obstacle in the mud like a piece of wood or larger shell

Large iridescent multi-ammonite display fossil iridescent and the colour is beautiful:A stunning example of a huge iridescent ammonite fossil of the species Psiloceras planorbis from North Somerset, UK. The piece of limestone matrix measures 400 mm across and contains dozens of juvenile ammonites. It weighs 9. 65 kg. The ammonites are very well preserved and have been prepared out of the rock to reveal the shells, which display some subtle iridescent colours that change depending on the angle that the fossil is viewed at with green,