1 pcs 紫蓝色 坦桑石 - 2.54 ct
编号 83024915
1 pcs (坦桑尼亚)- [浓烈/鲜艳的紫蓝色] 坦桑石 - 4.47 ct
编号 83024915
1 pcs (坦桑尼亚)- [浓烈/鲜艳的紫蓝色] 坦桑石 - 4.47 ct
Algt Colored Stone Report # 63461894
Report Date: 17 January, 2024
Identification
Species ................................................................................ Natural Zoisite
Variety ............................................................................................ Tanzanite
Description
Shape & Cutting Style ..................................... Marquise, Mixed Cut
Measurements .............................................. 16.74 X 7.48 X 5.41 Mm
Carat Weight ............................................................................. 4.47 Carat
Color ........................................................... Intense/vivid 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.