8.50 Carats Natural Asscher Cut Aquamarine Gemstone From Vietnam

2349

存貨單位
尺寸（毫米）: 13.000 x 13.000 x 9.000mm
重量 (cts): 8.500
Treatment: No Treatment
類型: Faceted
Shape: Asscher
顏色

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,[7] but its color can fade due to sunlight.[1] The color of maxixe is caused by NO3.[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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存貨單位
尺寸（毫米）: 13.000 x 13.000 x 9.000 mm
重量 (cts): 8.500
Treatment: No Treatment
類型: Faceted
Shape: Asscher
顏色

Aquamarine is a pale-blue to light-green variety of beryl.[2] Greenish-blue aquamarine can be changed to pure-blue by heat.[3]

Natural Santa Maria Color Aquamarine

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