Detail identification and grading report
Identification |
Type: |
Natural |
Species: |
Chrysoberyl |
Variety: |
Alexandrite |
Origin: |
Tunduru, Ruvuma, Ruvuma Region, Tanzania |
Hardness: |
8.5 |
Density: |
3.75 |
RI-1: |
1.741 |
RI-2: |
1.76 |
Enhancements |
Variety of work: |
Faceted |
Designation: |
A (Not currently known to be enhanced) |
Color |
Color light source: |
Cool daylight |
Color description: |
G*6/1 (medium dark green) |
Phenomena: |
Pleochroism Change of color (Alexandrite effect) Strong |
Color phenomena: |
R 5/2 (medium red [pink]) |
Clarity |
Clarity type: |
Eye clean (Type I) |
Transparency: |
Transparent |
Cut |
Shape: |
Trillion |
Cut style: |
Step |
Symmetry: |
Good |
Brilliance: |
Exceptional |
Polish: |
Good |
Size |
Width: |
7.81 mm |
Length: |
11.40 mm |
Depth: |
5.72 mm |
Weight: |
3.38 cts |