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6608
2

ETHIOPIAN OPALITE-SHIMMERING IRREDISANT 36.55 CTS [VS1922]

SKU
Dimensiones (mm)
x x mm
Peso (cts)
Tipo
Cabochon
Colores

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OPALITE

This is a natural untreated stone mined in Ethiopia and well polished.It exhibits a lovley shimmering irredisent effect when moved very much like cats eye opal.

Chatoyance

Weight  36.55 cts app

Size 34 x 7 x 18 mm app

 Chatoyancy  or chatoyance, is an optical reflectance effect seen in certain gemstones Coined from the French "oeil de chat", meaning "cat's eye", chatoyancy rises either from the fibrous structure of a material, as in tiger eye quartz, 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  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.

Opalite is an opalized volcanic tuff or ash that may occur with common opal
 and agate. It may be dendritic. The key distinction between opalite
 and common opal is that opalite is very hard; specimens of opalite
 saw or chip with difficulty, whereas opal is commonly glassy and
 chips easily Opalite may have a wet appearance upon breaking fresh
 specimens creating the illusion of opal. Because of its hardness,
 opalite will commonly be found in pronounced outcrops or ridges in
 localities in the Mojave Desert and other world wide localities,
while common opal outcrops form muddy, rolling hills or colored soil  (laterites?). Common opal fractures readily into tiny crumbs upon
 hitting with a rock hammer and opalite does not.

Opalite probably has a hardness of five to six
. Opalite appears to decompose into sand,
 while common opal appears to decompose into a clay or mud (expansive
 clay). Opalite is associated with deep beds of volcanic ash or
 welded ash flow tuff, so it may occur with deposits of fossil palm
 root, palm wood, and bog . Opalite is
 often associated with moss agate and plume agate. Opalite can be a
 variety of colors, including white, tan, brown, green, and peach.
 Opal has a brittle fracture to it, while opalite does not exhibit
 this property.

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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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Verificado
41898 de comentarios

  • irenesini
    irenesini
    Positivo

    As described. Thank you.

  • croc
    croc
    Positivo

    Nice tones

  • croc
    croc
    Positivo

    Very nice colors

  • eliax
    eliax
    Positivo

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

5.00%
Código promocional SEDAOPALFEVER
Válido hasta
21st Apr 2024

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Envío:
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Se envía desde:
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Opciones de pago

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Este vendedor agrega 10.00% tax a las transacciones en Australia.

Descripción general

Tipo de listado : Standard
ID del Producto : 197996
Empieza : 28th March 2024 12:00 am PDT
* Todos los precios están en :moneda