1 pcs 蓝色（紫色） 坦桑石 - 2.49 ct

ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ................................................ Modified Octagon, Step Cut
Measurements .......................................................................... 7.97 x 7.11 x 4.91 mm
Carat Weight ...................................................................................................... 2.49 Carat
Color .............................................................................................................. Blue (Purplish)
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.
22 March, 2024
27821331