Nautilus Shell (medium) Spain The colour of these bones

The colour of these bones vary and the one you recieve may be lighter or darker than those shown

Found in Agadir

Pyrite dimensions: 1cm x 1cmx 1cm

The iridescent rainbow colour is a result of oxidisation as the stair-step crystals cool

While they might not be perfect

Nautilus Shell (medium) Spain The colour of these bonesFossilised nautilus shell (not actually anything to do with ammonites, apart from being an aquatic mollusc) from the extinct Cymatoceras sakalavus. Nautilus, which are marine cephalopods, are still found in our oceans today. However there are only six species remaining, compared to the hundreds that existed at the time when this species was swimming in the oceans. Found in Majanga province, Madagascar. Early Cretaceous, Albian, circa 110 million years