Crucilobiceras pyrite ammonite fossil (18 mm) iridescent 1 inches) across and contains

1 inches) across and contains a single ammonite that measures 38 mm (1

It is preserved in calcite and has been coated in a reversible (soluble) lacquer for protection

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 stand freely by itself for display

The reverse of the fossil has lots of detail as well

These colonies lived in the Jurassic seas attached to pieces of floating driftwood

Crucilobiceras pyrite ammonite fossil (18 mm) iridescent 1 inches) across and containsA stunning example of a highly pyritised ammonite fossil of the species Crucilobiceras densinodulum from the world famous Jurassic Coast beach of Charmouth, Dorset UK. The fossil measures 18mm (0. 7 inches) across and is very well preserved with great detail in the ribbing. It is clean on one side and has a beautiful pyritic metallic shine. These little pyrite ammonites have long been used to create natural jewellery and look amazing in the flesh.