Sea Urchin (Sand Dollar) Fossil Cabochon lot of 3 – Rare Mexican Echinoid, Hand Polished

This rare Mexican sea urchin (sand dollar) fossil is a striking piece of natural history, formed over 450 million years ago in ancient oceans. Hand selected and hand polished in Southern Mexico, each fossil features unique natural patterns and textures. Found in eroding riverbeds and shaped by our lapidary partners, these one-of-a-kind fossils are ideal for meaningful, intentionally sourced jewelry designs.

Approximate Dimensions:
American quarter photographed is 24.26mm round for reference. 

Whether set in silver or showcased in a custom design, this fossil brings ancient history into modern jewelry. It is a meaningful material for creative souls who value natural beauty and deep story.