This Ammonite has had it's end chamber hollowed out so you can see a different view of the septa. Normally septa (sqiggly lines) are seen when an ammonite is cut open, in half. When it is cut like this, you see the septa that appear like squiggly lines. How this Ammonite has been worked, you can see the sutures from a different point of view, which is pretty rare. Normally this end chamber gets filled with debris over time, eventually turning to stone. It takes quite a bit of time and effort to work an ammonite like this, as it is very labor intensive.
This fossil has intricate suture patterns covering it's exterior. You can see golden brown calicte surrounding the leaf-like suture patterns and calcite filling the open end chamber!
Approx. 7" x 8.25" x 1.75" thick; weighs 4.15 lb.