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CATS EYE OPALITE PENDANT FROM BRAZIL 55.60 CTS [VS 3338]

SKU
Dimensioni (mm)
41.000 x 21.000 x 13.000mm
Peso (cts)
Colori

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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 55.60 cts

size  41 x 21 x 13 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
Discover the magic of opals at SedaOpals, where every stone tells a unique story. Paul Sedawie, the heart and soul of SedaOpals, began his journey with a humble piece of boulder rough at 14, sparking a lifelong passion for these mesmerizing gemstones. With over 40 years in the opal industry, Paul’s dedication has taken him from the rugged landscapes of Lightning Ridge to prestigious gem shows around the world. Paul, a former president of the Opal Association and an author of several opal books, shares his vast knowledge and passion with enthusiasts globally. He’s even made the largest donation of opalized fossils and curiosities to the Australian Opal Centre at Lightning Ridge. At SedaOpals, Paul and his sons offer a meticulously curated collection of opals, each handpicked for its exceptional beauty and character. Whether you’re a seasoned collector or new to the world of opals, you’ll find a stunning array of black opals, boulder opals, and crystal opals to explore. Join us in celebrating the timeless beauty and craftsmanship of opals. Welcome to SedaOpals, where every opal is a piece of art.
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  • ashwindk
    ashwindk
    Positivo

    Thank you for upgrading the shipping to FedEx! Your generosity is greatly appreciated. I believe natural opals are among the few gemstones that will retain their value over time. Their mesmerizing play of colors never ceases to amaze me.

  • ashwindk
    ashwindk
    Positivo

    Thank you for upgrading the shipping to FedEx! Your generosity is greatly appreciated. I believe natural opals are among the few gemstones that will retain their value over time. Their mesmerizing play of colors never ceases to amaze me.

  • oropuro2021
    oropuro2021
    Positivo

    Hi, hello I got my items (Opal Parcel) today afternoon. I saw them and admired itunder strong cold LED Light. So huge! l like and love it so much. Thank you very very much. Have a great good time. Best regards from, Oli

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Tipo di elenco : Standard
Codice prodotto : 230997
Inizia : 7th November 2024 11:00 pm PST
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