Juvenile red iridescent Psiloceras ammonite fossil (28mm) iridescent The matrix measures 83 mm

The matrix measures 83 mm (3

The two pieces of rock combined weigh 4

The shell sits in the original piece of limestone shale matrix in which it was found that has been shaped and has a cut-flat base that allows it to stand by itself for display

The fossil weighs 525 grams

so it is the true size of the shell

Juvenile red iridescent Psiloceras ammonite fossil (28mm) iridescent The matrix measures 83 mmA stunning example of an iridescent ammonite fossil of the species Psiloceras planorbis from North Somerset, UK. The piece of limestone matrix measures 125 mm (4. 85 inches) across and contains a single ammonite that measures 28 mm (1. 1 inches), making this a small juvenile of the 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