Our special video series looks at some of the more unique shells at the Bailey-Matthews National Shell Museum on Sanibel, ...

with a dazzling array of beauty and global biodiversity, and will include special focuses on Southwest Florida shells, world-record-sized shells, deep-sea species, land snails, and ancient fossils.

To make the unique glaze, Ando burns the sea urchin shells to ashes in a kiln before crushing and grounding them into a fine powder. She then mixes the powder with wood ash, feldspar and water.