1 pcs 深紫藍色 坦桑石 - 2.20 ct
編號 83538413
(坦尚尼亞)- [深藍(紫羅蘭)) 坦桑石 - 3.44 ct
編號 83538413
(坦尚尼亞)- [深藍(紫羅蘭)) 坦桑石 - 3.44 ct
Algt Colored Stone Report # 57929527
Report Date: 02 February, 2024
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Identification
Species ................................................................................ Natural Zoisite
Variety ............................................................................................ Tanzanite
Description
Shape & Cutting Style ............................................... Oval, Mixed Cut
Measurements .............................................. 11.54 X 7.83 X 5.40 Mm
Carat Weight ............................................................................. 3.44 Carat
Color .................................................................... Intense Blue (Violetish)
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.
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