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Alexandrite

Tsarstone collectors guide

Large Collector Alexandrite Oval 6.23cts.

Although this stone is not eye clean, it is quite large for an alexandrite. It changes from a dark olive green to a pinkish brown in incandescent light.

Large Collector Alexandrite Oval 6.23cts.
Natural Alexandrite Oval 6.23 cts Natural Alexandrite Oval 6.23 cts

Grade Score 6 / 10

Color
Good (3/5)
Cut
Fair (2/5)
Carat
Large (4/5)
Clarity
Good (3/5)
Rarity
Extremely rare (5/5)

Price information

Availability information

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: styG*6/3 (medium dark strongly yellowish green)
Phenomena: Change of color (Alexandrite effect) Pleochroism Moderate
Color phenomena: O*3/2 (light orange [brownish])
Clarity
Clarity type: Severely included (Type I)
Transparency: Transparent
Cut
Shape: Oval
Cut style: Step
Symmetry: Fair
Brilliance: Good
Polish: Exceptional
Size
Width: 9.80 mm
Length: 14.00 mm
Weight: 6.23 cts
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