Iridescent-Pearly Eutrephoceras with Marine Shell Fossil- Pierre Shale Montana | River Walkers Minerals Display sculptural look and comes displayed

sculptural look and comes displayed on the custom metal stand shown

and mineral association

This impressive cutbase specimen features two large creamy calcite crystals perched on a sparkling bed of deep purple amethyst

A gorgeous polished-edge amethyst piece covered in deep purple

Iridescent-Pearly Eutrephoceras with Marine Shell Fossil- Pierre Shale Montana | River Walkers Minerals Display sculptural look and comes displayedLocale: Pierre Shale Formation, Glendive, Montana, USA Age: Late Cretaceous (~7080 million years old) Dimensions: 371g 3. 7 x 2. 7 x 2 inches This attractive fossil association from the Pierre Shale of eastern Montana features a beautifully preserved Eutrephoceras dekayi accompanied by an associated marine shell fossil preserved in natural matrix. Both fossils display subtle iridescence with flashes of blue, green, pink, and gold that become