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$25.00 USD
價格

ETHIOPIAN OPALITE-SHIMMERING IRREDISANT 22.40 CTS [VS1940]

7277
5

存貨單位
尺寸(毫米)
x x mm
重量 (cts)
類型
Cabochon
顏色

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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  22.40 cts app

Size 25 x 6 x 17 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
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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  • fauster
    fauster
    積極的

    I can't wait to get the beauty and show it off lol but I hope to see more beautiful Pieces from you all

  • hoot
    hoot
    積極的

    Opals look great. Quick shipping Thx

5%
優惠券代碼 SEDADEALS
有效期至
2nd Jan 2025

審計

Opal Sheriff計畫允許我們的會員要求對任何產品進行審核,該審核由獨立的Gemologist人員完成,該資格人員評估商品描述和圖片的準確性。

送貨細節

船運:
$16.00 21透過Registered Shipping計算天數
發貨自:
Australia

付款方式

  • paypal
  • stripe
  • gempay
該賣家在Australia交易中加入了10.00%稅。

概述

列表類型 : Standard
產品編號 : 198014
開始 : 20th December 2024 01:00 am PST
* 所有價格均以:貨幣為單位