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Alexandrite

Tsarstone collectors guide

Beautiful Color / Cut 13.6x9.75mm Chrysoberyl

Good color and excellent cutting. Large clean stones like this are always hard to find.

Beautiful Color / Cut 13.6x9.75mm Chrysoberyl

Grade Score 7 / 10

Color
Very good (4/5)
Cut
Good (3/5)
Carat
Medium (3/5)
Clarity
Very good (4/5)
Rarity
Rare (4/5)

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: Chrysoberyl
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/GY*5/5 (medium yellow green or green yellow)
Phenomena: Pleochroism Strong (65%-69%)
Clarity
Clarity type: Eye clean (Type I)
Transparency: Transparent
Cut
Shape: Oval
Cut style: Step
Symmetry: Good
Brilliance: Exceptional
Polish: Exceptional
Size
Width: 9.75 mm
Length: 13.60 mm
Depth: 6.10 mm
Weight: 5.86 cts
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Bibliographic details
Page title Natural Chrysoberyl Oval 5.86 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:09 UTC
Date accessed 15 June 2025 21:50 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=ALX-001-00092
AMA style
David Weinberg. "Natural Chrysoberyl Oval 5.86 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:09 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=ALX-001-00092. Accessed June 15, 2025.
APA style
"Natural Chrysoberyl Oval 5.86 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 21:50, June 15, 2025, from http://www.alexandrite.net/viewpage.html?id=ALX-001-00092.
Bluebook style
"Natural Chrysoberyl Oval 5.86 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00092 (last visited June 15, 2025).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Chrysoberyl Oval 5.86 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00092 (Rare Chrysoberyl (Chrysoberyl) Oval 5.86cts from Tanzania (Tunduru)) (as of Jun. 15, 2025, 21:50 GMT).
CBE/CSE style
David Weinberg. "Natural Chrysoberyl Oval 5.86 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:09 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:09 UTC [cited 2025 Jun 15]. Available from: http://www.alexandrite.net/viewpage.html?id=ALX-001-00092.
Chicago style
David Weinberg, "Natural Chrysoberyl Oval 5.86 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00092, (accessed June 15, 2025).
MLA style
"Natural Chrysoberyl Oval 5.86 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:09 UTC. 15 Jun 2025 http://www.alexandrite.net/viewpage.html?id=ALX-001-00092
MHRA style
David Weinberg, "Natural Chrysoberyl Oval 5.86 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:09 UTC, http://www.alexandrite.net/viewpage.html?id=ALX-001-00092 [accessed 15 June 2025].
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