UV Reactive Exogyra Ponderosa Clam Shell Fossil Set, Hempstead County, ArkansasSet of x5 UV reactive Exogyra Ponderosa Clam shell Fossils, from the Marlbrook Marl formation (Cretaceous period), Hempstead County, Arkansas, USA. Beautifully fluorescent under longwave 365 nm UV light. You will receive these exact 5 specimens shown in the listing photographs video. they range in length from approx. 6 7. 5 cm each

This is for a mystery set of x10 Arkansas Quartz Crystals with naturally occurring iron oxide and some with natural rainbow iridescence

Very beauiful set of x5 quartz crystals w/ unique formations and naturally occurring iridescence

The team of explorers included Al Kidwell

Rare combo of big Planerite  w/ other unknown iron phosphate micros on matrix

Red Beraunite and other iron phosphates from the 3 oaks gap locale located in Polk County

from a special prospect in Montgomery County

A beautiful collectors specimen with hues of green as well as beautiful crystallization on a quartz and chert matrix

Size: the crystal is approx 3

The specimen also shows some nice twinning

Rare and Fine Solution Quartz Crystal Floater Cluster with Cookeite that is UV Reactive under longwave 365nm light

4 x 4 x 4 cm

w/ case - Old Stock - Montgomery County