Sea Urchin Accessories and pleasure

and pleasure

Raise your glass to curiosity and enjoy the science behind every sip

or fieldwork

or as a thoughtful gift for the science enthusiast in your life

study nooks

Sea Urchin Accessories and pleasureThis sea urchin fossil preserves the hard, calcite skeleton (test) of an echinoid, a marine invertebrate related to starfish and sand dollars. Fossils like this provide valuable insights into ancient marine environments and the evolutionary history of echinoderms, which have existed for over 450 million years. Features: Composition: The fossilized test is primarily composed of calcite, a crystalline form of calcium carbonate (CaCO), which often