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Mother-of-pearl

Protogoniomorpha parhassus

Classification

Class
Insecta

Nacre ( NAY-kər, also NAK-rə), also known as mother-of-pearl, is an organic–inorganic composite material produced by some molluscs as an inner shell layer. It is also the material of which pearls are composed. It is strong, resilient, and iridescent.

Distribution

(c) Carrie Powers, some rights reserved (CC BY) · CC-BY
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