MOTHER PEARL STRAND 175.65 CTS [SJ680]

Item Information

Dimensions (mm) not provided
Weight (carats) not provided
Colors

MOTHER PEARL BEAD

This is a natural strand of bright mother of pearl with small  beads from korea

Stunning effect.

High luster.

Weight of  beads 175.65 cts app.

Size 8.7 x 7 mm app.

Length of strand 49 cm app

These beads are strung with bead string but we would recommend re stringing them.

 

 

 

 

Nacre is made mostly of aragonite--a calcium carbonate crystal--arranged in 500-nanometer-thick layers. It forms from ions in seawater that washes through an organic "scaffold" of thin, interconnected, horizontal sheets--the animal essentially lays the "mortar" before filling in the "bricks." The iridescence of mother-of-pearl comes from the interference of light as it reflects from the thin, crystalline layers. But the beauty is only part of what drew Pupa Gilbert, of the University of Wisconsin, Madison, to study nacre. "Materials scientists have been interested in mother-of-pearl for decades because this material is 3000 times more resistant to fracture than its components," she says, referring to the organic and crystalline constituents.

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Pricing & Details

Auction ID 562509
Watchers 4 watching
Viewed 1,647 times
Starts 16th Nov 2010 6:56pm PST

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