AMM273 Ammonite Fossil (South Dakota) Merkabahs When cut perpendicular to the

When cut perpendicular to the palm trunk

This is a polished specimen featuring yellow agate with a small section of orange

and pink agate with a small open quartz center

The visible agate contains lacy patterning in bright red over a yellow background with faint banding

Pink Botswana Agate polished cabochon featuring rare eye formations in white

AMM273 Ammonite Fossil (South Dakota) Merkabahs When cut perpendicular to theThis 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