没有保留价 - 1 pcs 黄色, 棕色 榍石 - 8.58 ct - 国际宝石研究院(IGI)





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8.58 克拉天然海绡 Sphene(Titanite)宝石,棕黄色,垫形混合切工,透明,眼部净度 VVS+,未经加热,坦桑尼亚产,IGI 报告编号 774606708.
卖家的描述
Gemstone Video Link : https://liveplatforms-production.b-cdn.net/tenants/gr/uploads/movies/3120000-3124999/3123574/a6aee33b-ae50-4402-85bc-eff6acb87f54.mp4
Type : 100% Natural Sphene (Titanite)
Weight : 8.58 Carats
Size : 13.73 x 10.55 x 7.13 mm
Shape : Cushion Mixed Cut
Quantity : 1 pcs
Color : Brownish Yellow
Clarity : VVS+
Luster : Excellent
Hardness : 5 - 5.5
Origin : Tanzania
Treatment ·: UNHEATED (100% Natural No Treatment)
Product No : NG06708
Sphene, also scientifically known as Titanite
-------------------------------------------------------------
Mineral Information:
# Chemical Composition: Calcium Titanium Silicate (CaTiSiO₅)
# Crystal System: Monoclinic
# Optic Character: Biaxial (+)
# Refractive Index: Very High (approx. 1.84 – 2.11)
# Dispersion: Extremely high (higher than diamond)
Exceptional Fire
-------------------------------------------------------------
Sphene (Titanite) is famous for its very strong dispersion, producing intense rainbow flashes — often stronger than diamond. This is one of its most desirable qualities.
This gemstone is a Natural Sphene (Titanite), displaying a brownish yellow color with excellent transparency. Sphene is highly valued for its exceptional dispersion, producing vivid rainbow fire that often exceeds that of diamond. The stone exhibits natural internal characteristics consistent with its geological formation. With its high refractive index and strong brilliance, this Titanite is an attractive and collectible gemstone suitable for fine jewelry or collectors.
Gemstone Video Link : https://liveplatforms-production.b-cdn.net/tenants/gr/uploads/movies/3120000-3124999/3123574/a6aee33b-ae50-4402-85bc-eff6acb87f54.mp4
Type : 100% Natural Sphene (Titanite)
Weight : 8.58 Carats
Size : 13.73 x 10.55 x 7.13 mm
Shape : Cushion Mixed Cut
Quantity : 1 pcs
Color : Brownish Yellow
Clarity : VVS+
Luster : Excellent
Hardness : 5 - 5.5
Origin : Tanzania
Treatment ·: UNHEATED (100% Natural No Treatment)
Product No : NG06708
Sphene, also scientifically known as Titanite
-------------------------------------------------------------
Mineral Information:
# Chemical Composition: Calcium Titanium Silicate (CaTiSiO₅)
# Crystal System: Monoclinic
# Optic Character: Biaxial (+)
# Refractive Index: Very High (approx. 1.84 – 2.11)
# Dispersion: Extremely high (higher than diamond)
Exceptional Fire
-------------------------------------------------------------
Sphene (Titanite) is famous for its very strong dispersion, producing intense rainbow flashes — often stronger than diamond. This is one of its most desirable qualities.
This gemstone is a Natural Sphene (Titanite), displaying a brownish yellow color with excellent transparency. Sphene is highly valued for its exceptional dispersion, producing vivid rainbow fire that often exceeds that of diamond. The stone exhibits natural internal characteristics consistent with its geological formation. With its high refractive index and strong brilliance, this Titanite is an attractive and collectible gemstone suitable for fine jewelry or collectors.
详细资料
免责声明
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Catawiki始终致力于为您提供最佳的购买体验。我们的专家会根据我们的提交指南来虚拟地审查和选择每一件物品。虽然我们努力提供每一件珠宝的详细描述和照片,但仍可能出现差异或不准确之处。 您有责任在下订单之前查看有关物品的所有信息,包括状况和描述。卖家对所提供的信息、图片和描述承担责任,包括所提供珠宝的质量、数量和性质。照片中看不出来但描述中包含的小瑕疵并不属于不合格。 实验报告并不对其中描述的文章作出保证、估价或评估。实验报告仅包含使用该特定实验室在检查时使用的技术和设备对文章进行评分、测试、检查和分析后所描述的特征。对文章进行的任何其他检查的结果可能会因检查时间、方式、检查者以及检查的评分标准而有所不同。 此外,技术和设备的任何变化和改进可能使审查员能够检测到以前无法检测到的改变物品特性的工艺等,但这并不意味着物品本身就不符合其描述。

