Dinosaur Dung (Coprolite) - Classic Riker Box Specimen backtoschool2025 000 year volcanic eruption known

000 year volcanic eruption known as the Siberian Traps

embedded in the Mini Museum

This pyroclastic mineral comes from the island of Java

We're happy to share these larger varieties of this naturally forming metal

Dinosaur Dung (Coprolite) - Classic Riker Box Specimen backtoschool2025 000 year volcanic eruption knownThis specimen is a fragment of agatized coprolite from the Morrison Formation in Utah. It is attributed to a 150,000,000 year old sauropod, a long necked herbivorous dinosaur. Both small and large sized specimens are available with more sizing information below. A small information card is also enclosed, which also serves as the certificate of authenticity. Please Note: The specimens vary in size, shape and color. Each is completely unique!