UV Reactive Exogyra Ponderosa Clam Shell Fossil, Hempstead County, Arkansas, USAUV reactive Exogyra Ponderosa Clam shell Fossil, from the Marlbrook Marl formation (Cretaceous period), Hempstead County, Arkansas, USA. Beautifully fluorescent under longwave 365 nm UV light. Size: approx: 131 grams 8 x 7 x 4 cm

this is intriguing and rare for the locale

Beautiful Eye forms on this one

5 x 3 x 2 cm25 grams

great luster and nice aesthetics on a matrix of black chert

Size: 12 x 5

with zero matrix

Set of 3 Wavellite - Old Stock - Montgomery co

From the Rush mining district

This Barite piece comes with this original canister from Jim as well as a new detailed information card

This piece comes from the collection of Henry Delinde

x1 three-specimen acrylic display case that hosts x1 wavellite

The quartz is very unique