Scaphites Ammonite | South Dakota smokey quartz This item is 12” x

This item is 12” x 7” and weighs 40

A unique piece of wearable deep-time history

This item is 5” x 4” and weighs 1 lb 14

fluorite also hides remarkable fluorescent properties only visible under UV light- and is actually the source of our word "fluorescent"

Scaphites Ammonite | South Dakota smokey quartz This item is 12” xScaphites ammonites are extinct cephalopods known for their distinctive shells, featuring a tightly coiled juvenile stage that transitions into a straight, hook like adult body chamber. Found predominantly in Late Cretaceous marine deposits, these marine invertebrates had chambered shells for buoyancy, likely preyed on small organisms, and are important index fossils, with common South Dakota specimens showcasing iridescent shells and prominent ribs.