AMM268 Ammonite Fossil (South Dakota) Rainbow Sapphire Tumbling material displays green and

Tumbling material displays green and pink colored granite

The lot includes golden yellow rocks that are about 0

featuring brecciation and some egg patterning

This polished Agua Nueva Agate specimen features translucent light blue and very pale pink banded agate with a quartz center containing white agate

Unknown Agate

AMM268 Ammonite Fossil (South Dakota) Rainbow Sapphire Tumbling material displays green andThis 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. The surface of this fossil shows complex suture patterns in overall shades of warm brown, with little spots of red or purple iridescence. It has a smooth outer surface with a sharp spine. 3" x 2. 25" 58g Sphenodiscus