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Alexandrite

Tsarstone collectors guide

Lively Daylight Green Alexandrite 2.55cts.

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.

Lively Daylight Green Alexandrite 2.55cts.
Natural Alexandrite Oval 2.55 cts Natural Alexandrite Oval 2.55 cts

Grade Score 7 / 10

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

Price information

Availability information

  • Offered through Multicolour.com
  • Usually ships within 24 hours
  • Source: Multicolour.com
  • Multicolour Gems Co., Ltd
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: 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
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Bibliographic details
Page title Natural Alexandrite Oval 2.55 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:06 UTC
Date accessed 30 October 2014 16:42 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=ALX-001-00018
AMA style
David Weinberg. "Natural Alexandrite Oval 2.55 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:06 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=ALX-001-00018. Accessed October 30, 2014.
APA style
"Natural Alexandrite Oval 2.55 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 16:42, October 30, 2014, from http://www.alexandrite.net/viewpage.html?id=ALX-001-00018.
Bluebook style
"Natural Alexandrite Oval 2.55 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00018 (last visited October 30, 2014).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Alexandrite Oval 2.55 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00018 (Extremely rare Alexandrite (Chrysoberyl) Oval 2.55cts from Tanzania (Tunduru)) (as of Oct. 30, 2014, 16:42 GMT).
CBE/CSE style
David Weinberg. "Natural Alexandrite Oval 2.55 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:06 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:06 UTC [cited 2014 Oct 30]. Available from: http://www.alexandrite.net/viewpage.html?id=ALX-001-00018.
Chicago style
David Weinberg, "Natural Alexandrite Oval 2.55 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00018, (accessed October 30, 2014).
MLA style
"Natural Alexandrite Oval 2.55 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:06 UTC. 30 Oct 2014 http://www.alexandrite.net/viewpage.html?id=ALX-001-00018
MHRA style
David Weinberg, "Natural Alexandrite Oval 2.55 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:06 UTC, http://www.alexandrite.net/viewpage.html?id=ALX-001-00018 [accessed 30 October 2014].
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