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(无底价) - (紫蓝色) 坦桑石 - 1.33 ct
编号 84113143
编号 84113143
30 November, 2023
Algt Colored Stone Identification Report # 81892584
Identification
Species ................................................................................ Natural Zoisite
Variety ............................................................................................ Tanzanite
Description
Shape & Cutting Style ............................................... Oval, Mixed Cut
Measurements .............................................. 12.32 x 8.68 x 6.19 mm
Carat Weight ............................................................................. 5.24 Carat
Color ............................................................. Vivid/Deep Blue (Violetish)
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.