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.

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.

1
复数宝石的总重量(克拉)
5,24
处理
普通热处理,无特殊处理特征
国家
坦桑尼亚
密封/不密封
不是

1414 条评价 (658 过去的12个月)
  1. 609
  2. 43
  3. 6

1414 条评价 (658 过去的12个月)
  1. 609
  2. 43
  3. 6