Iridescent Psiloceras ammonite fossil display piece crinoid and the yellow colour is

and the yellow colour is beautiful

There are flashes of copper in the shell

The fossil weighs 450 grams and has a cut flat base to allow it to stand freely for display

The ammonite is well preserved with strong ribbing and suture lines and is mostly clean on both sides

Iridescent Psiloceras ammonite fossil display piece crinoid and the yellow colour isA stunning example of an iridescent ammonite fossil of the species Psiloceras planorbis from North Somerset, UK. The piece of limestone matrix measures 180 mm (7. 1 inches) across and contains a single ammonite, which measures 40 mm. The ammonite is well preserved and has been prepared out of the rock to reveal the shell, which displays some subtle iridescent colours that change depending on the angle that the fossil is viewed at with a nice sheen.