Iridescent Hoploscaphites Fossil | Pierre Shale, South Dakota Badlands tourmaline showcasing the classic dark carbon

showcasing the classic dark carbon impressions against the natural grey shale

Noble Serpentine

5" and weighs 4

This complete round of petrified wood comes from the Holbrook area of Arizona

Iridescent Hoploscaphites Fossil | Pierre Shale, South Dakota Badlands tourmaline showcasing the classic dark carbonAn exceptional Hoploscaphites fossil from the Pierre Shale of South Dakota, displaying stunning natural iridescence across its shell. Flashes of vibrant color shimmer across the fossilized surface, highlighting intricate details preserved from a marine creature that lived over 66 million years ago in the ancient Western Interior Seaway. The contrast between the fossil's ancient form and its brilliant, rainbow like luster creates a display that is both