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: |
vstbG 5/3vstbG 5/3 (medium very strongly bluish green) |
Phenomena: |
Change of color (Alexandrite effect) Pleochroism Strong |
Color phenomena: |
RP/PR 5/3 (medium red-purple [pink]) |
Clarity |
Clarity type: |
Slightly included (Type I) |
Transparency: |
Transparent |
Cut |
Shape: |
Cushion |
Cut style: |
Step |
Symmetry: |
Good |
Brilliance: |
Very good |
Polish: |
Exceptional |
Size |
Width: |
8.87 mm |
Length: |
9.18 mm |
Depth: |
5.78 mm |
Weight: |
4.12 cts |