$38.00 AUD
价格
20%
优惠券代码 GEMDEALS
节省$7.60
有效期至
2nd Aug 2025

246 CTS PARCEL AZURITE SPECIMEN MS 1525

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存货单位
尺寸(毫米)
35.000 x 25.000 x 20.000mm
重量 (cts)
246.000
颜色

specimen showing the strong blue colours azurite.

Ideal collectors specimen.

From Morocco

 

Size 35 X 25 X 20 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.


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  • mackwy
    mackwy
    积极的

    just as the photo, thankyou.

  • guest365212
    guest365212
    积极的

    Paid and shipped - no feedback left after 100 days

  • glenno76
    glenno76
    积极的

    Paid and shipped - no feedback left after 100 days

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概述

列表类型 : Standard
产品编号 : 3033
开始 : 22nd July 2025 10:23 am AEST
* 所有价格均以:货币为单位