A handsome polished Septarian Egg. An interesting combination fossil and mineral specimen many millions of years old. This Septarian Egg shows stunning calcification and great marbling geometry. This is an exceptionally good specimen from our personal collection. This material is also fluorescent. Included is a beautiful Hematite ring stand to display this handsome Egg. Comes with Hematite ring as stand. Some pics show fluorescence with long wave UV light.
4.7cm x 5.9cm, 182g.
How are they formed?
Septarian Concretion or Septarian Nodules were formed during the Cretaceous Period. That was around 50 to 70 million years ago, when sea levels were much higher. Periodic volcanic eruptions killed the smaller sea life which sank to the sea bed and started decomposing. The minerals in the shells and carcasses attracted sea floor sediments which accumulated around the carcasses and formed nodules or mud balls.