AMM273 Ammonite Fossil (South Dakota) Field Guides Above this is pale blue-gray

Above this is pale blue-gray and white banded agate with a natural crystal edge

bezel set in 14K white gold

Peach Moonstone

polished cabochon features red

Sunstone 5 lb lot is a type of feldspar

AMM273 Ammonite Fossil (South Dakota) Field Guides Above this is pale blue-grayThis ammonite specimen comes from South Dakota in the Cretaceous period when the area was submerged by the Western Interior Seaway millions of years ago. They are typically preserved in hard concretions that must be carefully removed. This sizeable fossil has a sharp ridge and smooth surface that displays very detailed suture patterns over the whole specimen. It has a mix of gray and brown shades, with some sections filled with white or yellow