ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Measurements .......................................................................... 9.62 x 7.16 x 5.84 mm
Carat Weight ...................................................................................................... 2.87 Carat
Color ..................................................................................................... Light Violetish Blue
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
Suggested Origin ................................................................................................. Tanzania
COMMENTS
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.
22 March, 2024
10045286

ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Measurements .......................................................................... 9.62 x 7.16 x 5.84 mm
Carat Weight ...................................................................................................... 2.87 Carat
Color ..................................................................................................... Light Violetish Blue
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
Suggested Origin ................................................................................................. Tanzania
COMMENTS
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.
22 March, 2024
10045286

1
石材
坦桑石
2,87
国家
坦桑尼亚
切割
椭圆形
鉴定证书
忠实航空(B)
颜色
(淡紫蓝色)
表面处理
普通热处理,无特殊处理特征
Transparency/ clarity
Transparent
不是

1424 条评价 (661 过去的12个月)
  1. 613
  2. 42
  3. 6

1424 条评价 (661 过去的12个月)
  1. 613
  2. 42
  3. 6