Green iridescent Caloceras display ammonite fossil 28mm pyrite The fossil weighs 450 grams

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

which measure 55 mm and 38 mm

A real one-off

This one has a really strong range of colours

The piece of limestone matrix measures 105 mm (4

Green iridescent Caloceras display ammonite fossil 28mm pyrite The fossil weighs 450 gramsA stunning example of an iridescent ammonite fossil of the species Caloceras johnstoni from North Somerset, UK. The matrix measures 83 mm (3. 3 inches) tall and contains a single ammonite that measures 28 mm (1. 1 inches), making it a juvenile of the species. The shell sits in the original limestone matrix in which it was found that has been shaped and has a cut flat base to allow it to be displayed freely standing. The ammonite is very well preserved