8.48 Carats Natural Asscher Cut Aquamarine Gemstone From Vietnam

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细节

存货单位: E 449 G
尺寸（毫米）: 12.9 x 12.6 x 8.8mm
重量 (cts): 8.48
Treatment: No Treatment
Shape: Asscher
Type: Faceted
颜色

描述

Aquamarine is a pale-blue to light-green variety of beryl.

[2] Greenish-blue aquamarine can be changed to pure-blue by heat.[3]The aquamarine has a chemical composition of Be3Al2Si6O18,[4] also containing Fe2+.

[5] It has a hardness of 7.5 to 8.

[6] Aquamarine contains no or little noticeable inclusions.

[7] But it can have inclusions like mica, hematite, or salt-water.

[8]Aquamarine is a common gemstone.

[9] However there is a rarer variant of aquamarine called maxixe which is deep blue in color

[10] Dark-blue maxixe color can be produced in green, pink or yellow beryl by irradiating it with high-energy particles (gamma rays, neutrons or even X-rays)

[11]Natural Santa Maria Color Aquamarine

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细节

存货单位: E 449 G
尺寸（毫米）: 12.9 x 12.6 x 8.8 mm
重量 (cts): 8.48
Treatment: No Treatment
Shape: Asscher
Type: Faceted
颜色

描述