This alexandrite is remarkably clean and free of inclusions even under magnification. The daylight color is a lovely minty green and the stone is gray-red-plumb color under incandescent light. The color change is moderate to good and the cut is fairly good.
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*5/2 (medium green) |
Phenomena: | Change of color (Alexandrite effect) Pleochroism Strong |
Color phenomena: | RP/PR*5/2 (medium red-purple or purple-red [pink]) |
Clarity | |
Clarity type: | Eye clean (Type I) |
Transparency: | Transparent |
Cut | |
Shape: | Oval |
Cut style: | Step |
Symmetry: | Good |
Brilliance: | Very good |
Polish: | Exceptional |
Size | |
Width: | 6.73 mm |
Length: | 10.15 mm |
Depth: | 4.40 mm |
Weight: | 2.55 cts |