Calcite Promicroceras ammonite fossil display piece (20 mm) iridescent revealing the intricate internal calcite

revealing the intricate internal calcite crystals

The matrix is original and has been shaped for display with a flat base to allow it to stand by itself and includes some bivalve shells and other partial ammonite shells

The fossil measures 20 mm (0

The shell sits in the original limestone matrix in which it was found that has been shaped for display

The piece of limestone matrix measures 88 mm (3

Calcite Promicroceras ammonite fossil display piece (20 mm) iridescent revealing the intricate internal calciteA stunning example of an ammonite fossil of the species Promicroceras planicosta from the world famous Jurassic Coast beach of Lyme Regis, Dorset UK. The piece of limestone matrix measures 92 mm (3. 6 inches) across and the fossil ammonite measures 20 mm (0. 8 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 mix of yellow brown colours is beautiful. A great example