Mother-of-pearl is a hard, iridescent substance that forms the inner layer of certain mollusk shells, also known as nacre; it is the material that pearls are made from. Key points about mother-of-pearl: • Scientific term: Nacre • Produced by: Mollusks like oysters, mussels, and abalones • Characteristic: Iridescent, pearlescent quality • Use: Used in jewelry, ornaments, and other decorative items
Which among the following accurately defines "Mother-of-pearl"?
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