#MOP002 Mother of Pearl Cabochon

$8.00

Out of Stock

#MOP002 Mother of Pearl Cabochon

$8.00

Size: 17mm x 17mm x 5mm

Ct. Weight: 11.1

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Description

Nacre (/ˈnkər/ NAY-kər also /ˈnækrə/ NAK-rə),[1] also known as the mother of pearl, is an organic-inorganic composite material produced by some mollusks as an inner shell layer; it is also the material of which pearls are composed. It is strong, resilient, and iridescent.

Nacre is found in some of the most ancient lineages of bivalvesgastropods, and cephalopods. However, the inner layer in the great majority of mollusk shells is porcellaneous, not nacreous, and this usually results in a non-iridescent shine, or more rarely in non-nacreous iridescence such as flame structure as is found in conch pearls.

The outer layer of cultured pearls and the inside layer of pearl oyster and freshwater pearl mussel shells are made of nacre. Other mollusk families that have a nacreous inner shell layer include marine gastropods such as the Haliotidae, the Trochidae, and the Turbinidae.

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