SHELL LAYER Crossword Clue
SHELL LAYER Crossword Clue
We know 1 solutions for: SHELL LAYER
Crossword Puzzle Infos
The term 'shell layer' is a reference to the NACRE, also known as mother of pearl, which is a hard, iridescent substance that forms the outer coating of many mollusk shells. NACRE is composed of calcium carbonate and conchiolin, and is secreted by the mantle of the mollusk. It is used in jewelry and other decorative items, and is also used in the production of buttons and other objects.