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4346
6

CATS EYE OPALITE PENDANT FROM BRAZIL 49.35 CTS [VS 3337]

SKU
寸法(mm)
52.000 x 17.000 x 12.000mm
重さ (CT)

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CATS EYE OPAL PEDANT

 This is a stunning  polished cats eye opal from Brazil showing chatoyancy properties.It has been hand wire wrapped with base metals and silver plated.Interesting cats eye roll which is hard to catch in the picture.The bail size is app 4.5 mm which will fit on most necklaces.

Hardness mohs scale 5.5 to 6.5 

The stone is polished both sides.


Natural UNTREATED

Weight 49.35 cts

size  52 x 17 x 12 mm

 Chatoyancy or chatoyance, is an optical reflectance effect seen in certain gemstones Coined from the French "oeil de chat", meaning "cat's eye", chatoyancy arises either from the fibrous structure of a material, as in tiger eyequartz, or from fibrous inclusions or cavities within the stone, as in cat's eye chrysoberyl. The effect can be likened to the sheen off a spool of silk: the luminous streak of reflected light is always perpendicular to the direction of the fibres. For a gemstone to show this effect best it must be cut en cabochon, with the fibers or fibrous structures parallel to the base of the finished stone. Faceted stones are less likely to show the effect well.


Cats Eye Opal was  formed app  15 to 30 million years ago, during the tertiary period. Starting out as a liquid it seeped through sedimentary layers of earth, settling within impervious clays at a depth of 20 to 30 metres. Over the coarse of millions of years, the liquid slurry crystalized, becoming catseye opal.

Cats-Eye Opalite is a rare chatoyant form of Opal.  The attribute that gives this stone its popularity and name is the phenomena known as chatoyancy, also known in the gem trade as “the cat's eye effect”. The reason for this fascinating phenomenon is very fine inclusions within the stone. When a light source is directed on these inclusions it creates a bright strip that appears and runs perpendicular to the inclusions. This strip will then glide across the surface of the stone when turned over.  This natural gemstone is found only in Tanzania.  Opalite Cats Eye is best known for it's creamy honey color and strong cats-eye effect. Opalite Cats Eye can also occur in shades of yellow, red, white and black.

The physical structure of Opalite Cats Eye is unique. Tiny spheres of silicon dioxide form a pyramid shaped grid interspersed with water. Tiny natural faults in this grid cause the characteristic "play of color". The effect is similar to the rainbow colors displayed on a soap bubble, only much more dramatic.  The incredible play of color is exhibited by the gemstone due to the presence of small spheres in the silica gel that causes interference and refraction appearance. Silicon and oxygen chains are packed in the spheres and these are uneven in size and incoherent in concentration. These are set in a compact structures thus, when ray of light falls it dissects the light on its way through the stone resulting in the awesome color play. As per the size of the spheres within the structure, changeable colors of the gamut are diffracted. With the increase in the consistency of the spheres position, more intense and brilliant would be the color play. 

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sedaopals
sedaopals
Seda Opals: 35 Years of Opal Expertise, Direct to You! UP TO 8 WINS IN NR AUCTION IN 3 DAYS Welcome to Seda Opals, a trusted family-owned business with a rich history in opal mining, cutting, and sales. Founded by Paul Sedawie, who also serves as the current president of the Opal Association Inc., our company is fueled by over three decades of experience. While we recently closed our retail shop/museum at the Gold Coast Opal, we've shifted our focus exclusively to online operations. Through this platform, we bring the opal fields and incredible deals straight to you. Our primary emphasis lies in wholesaling, allowing us to provide you with exceptional value. Paul Sedawie embarked on his opal mining journey in 1986 at the Four Mile field in Lightning Ridge, alongside his first partner, Bob Young. It took them six months to uncover a remarkable stone, instilling in Paul a deep respect for the precious gem and the challenges it presents. Today, Paul's eldest son, Peter Sedawie, has taken the reins, while Ross manages our site. This grants Paul the freedom to travel to various opal fields and revel in the breathtaking beauty of this magnificent stone. The youngest member of our family business, Ross Sedawie, has been immersed in the world of opals since his earliest days. His extensive knowledge and understanding of opals ensure you're in capable hands. At Seda Opals, we stand firmly behind our products, offering a 100% money-back guarantee on all purchases. We sincerely hope you enjoy our offerings and wish you the best of luck with your bidding.
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  • irenesini
    irenesini
    ポジティブ

    As described. Thank you.

  • croc
    croc
    ポジティブ

    Nice tones

  • croc
    croc
    ポジティブ

    Very nice colors

  • eliax
    eliax
    ポジティブ

    Extremely good communications and very fast with shipping, item as described thank you!

5.00%
クーポンコード SEDAOPALFEVER
まで有効
21st Apr 2024

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配送:
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発送元:
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この出品者は、Australia での取引に 10.00% 税金を追加します。

概要

リストタイプ : Standard
製品番号 : 230996
始まります : 28th March 2024 12:55 am PDT
* すべての価格は:通貨で表示されます