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Alexandrite

Tsarstone collectors guide

Gemmy Color Change Alexandrite Oval 5.08cts.

Although the color change is not strong, the clarity and transparency are quite good and the dark minty green color is especially attractive in daylight.

Gemmy Color Change Alexandrite Oval 5.08cts.
Natural Alexandrite Oval 5.08 cts Natural Alexandrite Oval 5.08 cts

Grade Score 6 / 10

Color
Poor (1/5)
Cut
Good (3/5)
Carat
Large (4/5)
Clarity
Very good (4/5)
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: yG*5/2 (medium yellowish green)
Phenomena: Pleochroism Change of color (Alexandrite effect) Moderate
Color phenomena: RO/OR 3/2 (light red-orange [pink])
Clarity
Clarity type: Slightly included (Type I)
Transparency: Transparent
Cut
Shape: Oval
Cut style: Step
Symmetry: Good
Brilliance: Very good
Polish: Exceptional
Size
Width: 9.50 mm
Length: 10.90 mm
Weight: 5.08 cts
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Bibliographic details
Page title Natural Alexandrite Oval 5.08 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:06 UTC
Date accessed 16 September 2024 00:02 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=ALX-001-00005
AMA style
David Weinberg. "Natural Alexandrite Oval 5.08 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:06 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=ALX-001-00005. Accessed September 16, 2024.
APA style
"Natural Alexandrite Oval 5.08 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 00:02, September 16, 2024, from http://www.alexandrite.net/viewpage.html?id=ALX-001-00005.
Bluebook style
"Natural Alexandrite Oval 5.08 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00005 (last visited September 16, 2024).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Alexandrite Oval 5.08 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00005 (Extremely rare Alexandrite (Chrysoberyl) Oval 5.08cts from Tanzania (Tunduru)) (as of Sep. 16, 2024, 00:02 GMT).
CBE/CSE style
David Weinberg. "Natural Alexandrite Oval 5.08 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:06 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:06 UTC [cited 2024 Sep 16]. Available from: http://www.alexandrite.net/viewpage.html?id=ALX-001-00005.
Chicago style
David Weinberg, "Natural Alexandrite Oval 5.08 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00005, (accessed September 16, 2024).
MLA style
"Natural Alexandrite Oval 5.08 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:06 UTC. 16 Sep 2024 http://www.alexandrite.net/viewpage.html?id=ALX-001-00005
MHRA style
David Weinberg, "Natural Alexandrite Oval 5.08 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:06 UTC, http://www.alexandrite.net/viewpage.html?id=ALX-001-00005 [accessed 16 September 2024].
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