Large Copper iridescent Caloceras display ammonite featured This one has a really

This one has a really strong range of colours

meaning that when the rock split

These fossils are highly sought after

There are also some stem ossicles that show the classic five-pointed star-shaped cross section that gives this genus its name

The fossils are very well preserved with great detail and the whole piece has a wonderful pyritic metallic colour and shine

Large Copper iridescent Caloceras display ammonite featured This one has a reallyA stunning and perfect example of an iridescent ammonite fossil of the species Caloceras johnstoni from North Somerset, UK. The matrix measures 165 mm (6. 5 inches) tall and the ammonite measures 122 mm, which is very large for this species. The shell sits in the original limestone matrix in which it was found which has been shaped and has a cut flat base to allow it to stand freely by itself for display. The ammonite is very well preserved and has