6 Carat Alexandrite Emerald (11.91×8.82mm, Light Green )
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64 mm
| Your settings | |
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Ring |
Gold |
Skin tone |
Light |
Ring diameter |
16.9 mm |
Ring width |
3.0 mm |
Finger length |
64 mm |
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Ring diameter:
16.9 mm
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Additional Info
Named after Czar Alexander II (1818–1881) Alexandrite is a rare and valuable color-change variety of chrysoberyl. Alexandrite possesses a surprising ability to change color - from green or bluish-green in daylight, it transforms to purplish or raspberry red in incandescent light.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Gem Details
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Name:
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Alexandrite |
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Mineral Class:
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Chrysoberyl |
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Shape:
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Emerald |
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Chemical Formula:
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BeAl2O4 |
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Crystal Structure:
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Orthorhombic |
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Hardness:
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8.5 |
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Specific Gravity
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3.7 |
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Carat weight:
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6 ct |
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Gram weight:
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1.2 g (0.0423 ounces) |
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Points:
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600 pts |
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Length:
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11.91 mm |
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Width:
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8.82 mm |
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Est. face-up size:
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97.69 mm² |
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Volume:
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324.32 mm³ |
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Length-to-width ratio:
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1.35 |
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Refractive Index:
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1.744 - 1.755 |
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Cleavage:
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1,1 ; 3,2 |
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Luster:
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Vitreous |
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Birefringence:
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0.009 |
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Wearability:
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Durable gem for daily wear |
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Care Instructions:
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No special or unusual care |
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Color:
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Birthstone:
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Alexandrite is a birthstone for the month of June |
Popular comparisons:
- 29ct Alexandrite (Emerald, Bluish Green, 20 x 15) vs. 7.9ct Alexandrite (Emerald, Bluish Green, 12.2 x 9.8)
- 1ct Alexandrite (Emerald, Bluish Green, 6.55 x 4.85) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 7.05ct Alexandrite (Emerald, Violet, 12 x 10) vs. 5ct Alexandrite (Emerald, Bluish Green, 11 x 9)
- 4.2ct Alexandrite (Emerald, Violet, 10 x 8) vs. 5ct Alexandrite (Emerald, Bluish Green, 11 x 9)
- 29ct Alexandrite (Emerald, Bluish Green, 20 x 15) vs. 10ct Alexandrite (Round, Light Bluish Green, 10 x 15)
- 1.9ct Alexandrite (Emerald, Bluish Green, 8.11 x 6.01) vs. 7.9ct Alexandrite (Emerald, Bluish Green, 12.2 x 9.8)
- 6ct Alexandrite (Emerald, Dark Violet, 11.91 x 8.82) vs. 6ct Sapphire (Round, Purple, 10.86 x 10.86)
- 0.5ct Alexandrite (Emerald, Dark Violet, 5.2 x 3.85) vs. 0.5ct Tourmaline (Cushion, Light Green , 4.83 x 4.83)
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