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
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
The oyster reacts to the introduction of the foreign body by coating it with layers of nacre - crystallized calcium carbonate and an organic protein.
From BBC ● Sep. 9, 2012
The Labradore stone has I suppose its colours from the nacre or mother-pearl shells, from which it was probably produced.
From The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation by Erasmus Darwin
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