| Answer | Crossword Clue |
|---|---|
| NACRE | Pearl-shell substance. |
| ABALONE | Sea snail with a mother-of-pearl shell |
| abalone | edible mollusk having a shell lined with mother-of-pearl |
| abalones | edible mollusk having a shell lined with mother-of-pearl |
| pearls | A hard, lustrous spherical mass, typically white or bluish-gray, formed within the shell of a pearl oyster or other bivalve mollusk and highly prized as a gem |
| abalones | any of a genus (Haliotis) of edible rock-clinging gastropod mollusks that have a flattened shell slightly spiral in form, lined with mother-of-pearl, and with a row of apertures along its outer edge |
