What is this A shell that's known for its mother-of-pearl (It lives in the ocean)?

The shell known for its mother-of-pearl is typically that of the abalone, a marine gastropod mollusk. Abalone shells are prized for their iridescent interior, which is composed of nacre, or mother-of-pearl. These shells are often used in jewelry and decorative items due to their stunning visual qualities. Abalone primarily inhabit rocky coastal areas and are sought after for both their beauty and their culinary value.