nacre

Example Sentences

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However, the exact processes and conditions that lead to nacre, a composite of biopolymers and platelets of crystalline calcium carbonate, are the subject of intense debate among experts, and different theories exist.

From Science Daily • Jan. 12, 2024

The mollusc deposits layers of aragonite and conchiolin, which together form nacre, also know as mother-of-pearl.

From BBC • Sep. 5, 2022

Dull on the outside, its nacre gleams pearlescent within.

From Seattle Times • Sep. 14, 2021

Some bivalves like oysters and mussels have the unique ability to secrete and deposit a calcareous nacre or “mother of pearl” around foreign particles that enter the mantle cavity.

From Textbooks • Apr. 25, 2013

Listen: A pearl is nothing more or less than nacre, a fluid secretion of a certain variety of oyster—not the eatable kind.

From Aunt Jane's Nieces out West by Baum, L. Frank (Lyman Frank)