2 pcs 紫蓝色 坦桑石 - 1.64 ct
编号 79664823
1 pcs (鲜艳/深紫蓝色)-[色彩品质细腻] 坦桑石 - 2.46 ct
编号 79664823
1 pcs (鲜艳/深紫蓝色)-[色彩品质细腻] 坦桑石 - 2.46 ct
30 November, 2023
Algt Colored Stone Identification Report # 30494480
Identification
Species ................................................................................ Natural Zoisite
Variety ............................................................................................ Tanzanite
Description
Shape & Cutting Style ....................... Square Cushion, Mixed Cut
Measurements ................................................. 8.13 x 8.02 x 4.97 mm
Carat Weight ............................................................................. 2.46 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.