A lovely alexandrite, this stone displays a good color change. In daylight, the stone is green to olive green in color. Under incandescent light the stone is a raspberry red. This alexandrite is somewhat windowed and contains some minor inclusions and zoning.
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: | vslbG*5/2 (medium very slightly bluish green) |
Phenomena: | Pleochroism Change of color (Alexandrite effect) Strong |
Color phenomena: | rP 5/3 (medium reddish purple) |
Clarity | |
Clarity type: | Slightly included (Type I) |
Transparency: | Transparent |
Cut | |
Shape: | Oval |
Cut style: | Step |
Symmetry: | Good |
Brilliance: | Good |
Polish: | Good |
Size | |
Width: | 7.40 mm |
Length: | 10.32 mm |
Depth: | 4.37 mm |
Weight: | 3.03 cts |