70.25 CTS AZURITE CRYSTALS FROM MEXICO [MGW5339]

2191

存货单位
尺寸（毫米）: 32.000 x 19.000 x 9.000mm
重量 (cts): 70.250
Treatment: No Treatment
类型: Rough
颜色

AZURITE CRYSTAL SPECIMEN

This is a specimens showing good crystal formation with strong blue colours .

Ideal collectors specimen.

From Mexico

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.

存货单位
尺寸（毫米）: 32.000 x 19.000 x 9.000 mm
重量 (cts): 70.250
Treatment: No Treatment
类型: Rough
颜色

AZURITE CRYSTAL SPECIMEN

This is a specimens showing good crystal formation with strong blue colours .

Ideal collectors specimen.

From Mexico

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.

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MEMBER OF THE [ICA] INTERNATIONAL COLOURED STONE ASSOCIATION AND PRESIDENT OF THE OPAL ASSOCIATION. We have a retail shop/museum at the Gold Coast Opal and Gem Centre 25 surfers av mermaid waters Qld Australia .4218 open mon to sat 10 to 5

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