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205 CTS MOROCCAN AZURITE SPECIMEN RT 2017

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AZURITE SPECIMEN

This is a specimen showing the strong blue colours this is mineral is known for.Ideal collectors specimen.



Size  60X 28X 22  mm

Azurite is a soft, deep blue copper mineral produced by weathering of copper ore deposits. It is also known as Chessylite after the Chessy-les-Mines near Lyon, France, where striking specimens have been found. The mineral has been known since ancient times. The blue of azurite is exceptionally deep and clear, and for that reason the mineral has tended to be associated since antiquity with the deep blue color of low-humidity desert and winter skies. 

Pigments

Azurite was used as a blue pigmentfor centuries. Depending on the degree of fineness to which it was ground, and its basic content of copper carbonate, it gave a wide range of blues. It has been known as mountain blue or Armenian stone, in addition it was formerly known as Azurro Della Magna (from Italian). When mixed with oil it turns slightly green. When mixed with egg yolk it turns green-grey. It is also known by the names Blue Bice and Blue Verditer. Older examples of azurite pigment may show a more greenish tint due to weathering into malachite. Much azurite was mislabeled lapis lazuli, a term applied to many blue pigments. As chemical analysis of paintings from the Middle Agesimproves, azurite is being recognized as a major source of the blues used by medieval painters. True lapis lazuli was chiefly supplied from Afghanistan during the Middle Ages while azurite was a common mineral in Europe at the time.

 

Collecting

The intense color of azurite makes it popular collector's stone. However, bright light, heat, and open air all tend to reduce the intensity of its color over time. To help preserve the deep blue color of a pristine azurite specimen, collectors should use a cool, dark, sealed storage environment similar to that of its original natural setting.

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gem traders
gem traders
Gem Traders has cemented its position in the Australian market as a premier destination for gemstones, offering a diverse range of precious treasures. In an endeavor to enrich its offerings, Gem Traders seamlessly integrated opals into its collection, complementing its existing array of gems. Among the opals, Gem Traders showcases a splendid selection of Boulder Opals and opal doublets, each exuding its own unique charm and allure. These opulent gems seamlessly blend with Gem Traders' mainstay gemstones, creating a harmonious symphony of colors and textures. In addition to opals, Gem Traders boasts an impressive inventory of other gemstones, including Rubies, Sapphires, Amethyst, Chrysoprase, Garnets, and intricately carved gemstones. Each gemstone is meticulously curated to ensure unparalleled quality and beauty, catering to the discerning tastes of gemstone connoisseurs across Australia and the world. Gem Traders invites enthusiasts to explore its treasure trove of gemstones, where every stone tells a story of natural wonder and timeless elegance. Whether you're drawn to the captivating hues of opals or the radiant sparkle of Rubies and Sapphires, Gem Traders offers a breathtaking selection to satisfy every gemstone aficionado's desires.
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  • novarew
    novarew
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    Excellent as usual, thank you kindly

  • bones63
    bones63
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    Super-fast delivery! Thanks.

  • bones63
    bones63
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    A beautiful dress piece. Thank you.

  • bones63
    bones63
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    A beautiful modern ring! Cheers.

  • bones63
    bones63
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    Great essentials! Cheers.

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有效期至
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列表类型 : Standard
产品编号 : 275774
开始 : 23rd October 2024 10:45 pm PDT
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