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Sand Shell (or shell sand) is naturally occurring in layers of the Earth's surface (especially near the coast). Shell Sand can be used to create natural walkways, pathways and driveways. Once sand shell is installed, it takes a few weeks before complete settling occurs for the shells to appear (watering in is recommended). Shell quantities […]. Sand dollar found in Holgate Photography and text by Sara Caruso Many of us have searched the beaches since childhood for treasures hidden in the sand. Shells, sea glass, and driftwood are among the favorites sought by beachcombers. One rare find that always captivates seekers - young and old - is the sand dollar.

Sand dollars (also known as sea cookies or snapper biscuits in New Zealand and Brazil, or pansy shells in South Africa) are species of flat, burrowing sea urchins belonging to the order Clypeasteroida.. A sand dollar (Photo Credit : Sharon Mooney / Wikimedia Commons) Aside from the catchy name "sand dollar", these sea urchins are also known as pansy shells and sea cookies, among others, depending on where you are in the world. These sand dollars have a hard outer shell, which is covered in very fine hairs.