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MOTHER OF PEARL CARVING 26.55 CTS [MX3228 ]
- SKU
- 寸法(mm)
- x x mm
- 重さ (CT)
- Certified Gemstones
- いいえ
- Shape
- Pear
- 色
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PEARL CARVING
This is a stunning carving done by a machine with much detail and a top finish.The pearl [nacre ] shell glistens like opal colour.
Weight 26.55 cts app
size 40 x 30 x 4 mm 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.
| 配送業者 | 配送先オーストラリア | その他の国への配送 | 同梱配送 ( オーストラリア ) | 同梱配送(その他の地域) |
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| Registered Shipping |
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- SKU
- 寸法(mm)
- x x mm
- 重さ (CT)
- Certified Gemstones
- いいえ
- Shape
- Pear
- 色
-
PEARL CARVING
This is a stunning carving done by a machine with much detail and a top finish.The pearl [nacre ] shell glistens like opal colour.
Weight 26.55 cts app
size 40 x 30 x 4 mm 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.
| 配送業者 | 配送先オーストラリア | その他の国への配送 | 同梱配送 ( オーストラリア ) | 同梱配送(その他の地域) |
|---|---|---|---|---|
| FedEx |
|
|
|
|
| Registered Shipping |
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Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and g....
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ポジティブMuch nicer than the picture. Good seller and good delivery
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ポジティブLove seeing the rainbow colors on this gem. Thank you!
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ポジティブBeautiful stone. Efficient postage.
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ポジティブnice piece quick postage
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ポジティブLooks like the picture, received it quickly and looking forward to shopping with them again
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