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.

Nombre de pierres
1
Poids total en carats
5,24
Traitement
Communément chauffé sans aucune trace de traitement
Origine telle qu’indiquée sur le certificat
Tanzanie
Scellé
Non

1418 évaluations (659 au cours des 12 derniers mois)
  1. 610
  2. 43
  3. 6

1418 évaluations (659 au cours des 12 derniers mois)
  1. 610
  2. 43
  3. 6