Calcite Xipheroceras ammonite fossil display piece (32mm) 25 which displays some beautiful iridescence

which displays some beautiful iridescence that causes the colours to change as the viewing angle changes

175 kg and have a cut flat bases to allow them to stand freely for display

This is very unusual with these fossils as they don't normally split open like this

The vertebra is matrix free and measures 28 mm (1

revealing the intricate internal calcite crystals

Calcite Xipheroceras ammonite fossil display piece (32mm) 25 which displays some beautiful iridescenceA stunning example of an ammonite fossil of the species Xipheroceras planicosta from the world famous Jurassic Coast beach of Lyme Regis, Dorset UK. The piece of limestone matrix measures 82 mm (3. 2 inches) across and the fossil ammonite measures 32 mm (1. 25 inches). The ammonite is well preserved and has been prepared out of the rock to reveal the shell. The ribs are finely defined, and the yellow colour is beautiful. The outer whorls of the shell