紫色, 蓝色 坦桑石 - 1.58 ct - 安特卫普宝石检测实验室（ALGT）

ALGT 彩色宝石鉴定报告

Identification
鉴定
Species: Natural Zoisite
种类：天然透长石
Variety: Tanzanite
品种：坦桑石

Description
描述
Shape & Cutting Style: Oval, Mixed Cut
形状与切工：椭圆形，混合切工
Measurements: 8.39 x 6.40 x 4.13 mm
尺寸：8.39 x 6.40 x 4.13 毫米
Carat Weight: 1.58 Carat
克拉重量：1.58 克拉
Color: Bluish Purple
颜色：偏蓝紫色
Transparency: Transparent
透明度：透明

Additional Grading Characteristics
附加分级特征
Origin: Tanzania
产地：坦桑尼亚

Origin determination is an expert opinion based on microscopic examination, spectroscopic features and chemical trace element analysis.
产地判定为专家意见，基于显微观察、光谱特征和化学痕量元素分析。

Comments
说明
Tanzanite is commonly heated at low temperature to improve its color. There is currently no scientific method available to determine whether this gemstone has been enhanced or not.
坦桑石通常在低温下加热以改善颜色。目前尚无科学方法能够确定该宝石是否经过改性处理。

The photos were taken in a professional studio with extensive (natural) lighting to enhance the visibility of the color variations.
照片在专业摄影工作室拍摄，使用充足的自然光以提升颜色变化的可见性。
The images have not been edited in order to present the most realistic representation possible.
为呈现尽可能真实的表示，图像未经过编辑。
Color deviations may occur depending on the display settings of your computer, monitor, or smartphone.
颜色偏差可能因计算机、显示器或智能手机的显示设置而异。

Well packed and insured registered shipping.
打包良好，投保并注册运输。

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也欢迎您查看我的其他商品与优惠！