MOTHER OF PEARL BEAD STRAND 176.40 CTS [PF1743]

2485

存货单位
尺寸（毫米）: x x mm
重量 (cts)
Certified Gemstones: 不
Shape: Pear
颜色

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 176.40 cts app.

Size 8.7 x 7 mm app.

Length of strand 49 cm app

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.

存货单位
尺寸（毫米）: x x mm
重量 (cts)
Certified Gemstones: 不
Shape: Pear
颜色

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 176.40 cts app.

Size 8.7 x 7 mm app.

Length of strand 49 cm app

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Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and gems stones he has collected on his many buying trips world wide. All stock has a money back guarantee as your continued business is our business.

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