1 pcs 紫蓝色 坦桑石 - 2.25 ct
编号 83024997
1 pcs (坦桑尼亚)- [深紫蓝色] 坦桑石 - 7.40 ct
编号 83024997
1 pcs (坦桑尼亚)- [深紫蓝色] 坦桑石 - 7.40 ct
Algt Colored Stone Report # 75635060
Report Date: 17 January, 2024
Identification
Species ................................................................................ Natural Zoisite
Variety ............................................................................................ Tanzanite
Description
Shape & Cutting Style ............. Rectangular Cushion, Mixed Cut
Measurements .............................................. 13.18 x 9.06 x 6.92 mm
Carat Weight ............................................................................. 7.40 Carat
Color ....................................................................... Intense 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.