Turtle - Fossil Specimen Potamon sp fossil When these sulfur compounds react

When these sulfur compounds react with iron-rich minerals in the surrounding sediments

University of Arizona

lapis lazuli has been used as a protective stone

and volatile-rich fluids to grow large

Many people associate Fluorite with clarity and focus—perhaps fitting

Turtle - Fossil Specimen Potamon sp fossil When these sulfur compounds reactMined from: White River Badlands, White River Group Formation, South Dakota, U. S. A. Era: Cenozoic Geological Age: 2334 mya Description: This one of a kind turtle fossil specimen from South Dakota preserves a broad section of fossilized turtle shell with visible scute divisions, natural cracking, and a pale tan to grey weathered surface. The raised dome shape and darker preserved edge sections give the piece a strong fossil shell appearance, with