Large copper and gold iridescent Caloceras display ammonite iridescent The fossil measures 46 mm

The fossil measures 46 mm (1

and the mix of yellow and brown colours is beautiful

It has a beautiful pyritic metallic shine

The matrix measures 87 mm (3

There is a predation bite in the outer whorl where a Jurassic predator bit into the ammonite and killed it

Large copper and gold iridescent Caloceras display ammonite iridescent The fossil measures 46 mmA stunning and perfect example of an iridescent ammonite fossil of the species Caloceras johnstoni from North Somerset, UK. The matrix measures 210 mm (8. 25 inches) across and contains half an ammonite shell that measures 90 mm (3. 6 inches), which is 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