1 pcs (坦尚尼亞)- [深紫藍色] 坦桑石 - 7.40 ct
編號 83245185
(坦尚尼亞)- [(精細色彩品質)-(鮮豔/深紫藍色) 坦桑石 - 2.31 ct
編號 83245185
(坦尚尼亞)- [(精細色彩品質)-(鮮豔/深紫藍色) 坦桑石 - 2.31 ct
Algt Colored Stone Report # 70403473
Report Date: 02 February, 2024
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Identification
Species ................................................................................ Natural Zoisite
Variety ............................................................................................ Tanzanite
Description
Shape & Cutting Style ............................................... Oval, Mixed Cut
Measurements ................................................. 9.86 X 7.81 X 4.62 Mm
Carat Weight ............................................................................. 2.31 Carat
Color ................................................................ Vivid/deep Violetish Blue
Transparency ......................................................................... Transparent
Additional Grading Characteristics
Color Quality Grade ................................................. Fine Color Quality
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.
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