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$28.00 USD
價格

PARCEL AZURITE SPECIMEN FROM MOROCCO 102.65 CTS [MX 6927]

4021
3

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

PARCEL
AZURITE  SPECIMEN

This is a parcel of specimens showing the strong blue colours  azurite.

Ideal collectors specimen.

From Morocco

Weight of parcel  102.65 cts

Size of largest 29 x 15 x 12 mm app

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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Registered Shipping訂單折扣為$9.00 2或更多商品
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sedagems
sedagems
Hi Welcome to the Sedagems store, Run by Paul Sedawie and specializing in Australian sapphires and gems stones he has collected on his many buying trips world wide. All stock has a money back guarantee as your continued business is our business.
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  • rustynut
    rustynut
    積極的

    Good stone great service

  • martin11
    martin11
    積極的

    Great thank very much, lovely pearls.

  • philsgems
    philsgems
    積極的

    Nice piece of rough. thankyou

  • philsgems
    philsgems
    積極的

    Nice stone. Thankyou

  • philsgems
    philsgems
    積極的

    Have received the rough. Nice colour. Thankyou

5%
優惠券代碼 SEDADEALS
有效期至
2nd Jan 2025

審計

Gemstone 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

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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 : 180201
開始 : 20th December 2024 09:20 pm PST
* 所有價格均以:貨幣為單位