The stone reveals a moderate to significant color change from a vibrant greenish yellow in fluorescent light to a grey-pink color in incandescent light. The stone is very bright and well cut for an alexandrite.
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: | styG*6/2 (medium dark strongly yellowish green) |
Phenomena: | Pleochroism Change of color (Alexandrite effect) Moderate |
Clarity | |
Clarity type: | Eye clean (Type I) |
Transparency: | Transparent |
Cut | |
Shape: | Oval |
Cut style: | Step |
Symmetry: | Good |
Brilliance: | Exceptional |
Polish: | Exceptional |
Size | |
Width: | 9.30 mm |
Length: | 12.00 mm |
Weight: | 5.16 cts |
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