（坦尚尼亞）- [深藍（紫羅蘭）） 坦桑石 - 3.44 ct

Algt Colored Stone Report # 57929527
Report Date: 02 February, 2024
============================================

Identification

Species ................................................................................ Natural Zoisite
Variety ............................................................................................ Tanzanite

Description

Shape & Cutting Style ............................................... Oval, Mixed Cut
Measurements .............................................. 11.54 X 7.83 X 5.40 Mm
Carat Weight ............................................................................. 3.44 Carat
Color .................................................................... Intense Blue (Violetish)
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.

============================================