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Alexandrite

Tsarstone collectors guide

Nice Emerald Cut Chrysoberyl 2.56cts.

Vanadium in trace amounts is probably responsible for the minty green color of chrysoberyls like this one.

Nice Emerald Cut Chrysoberyl 2.56cts.

Grade Score 6 / 10

Color
Fair (2/5)
Cut
Good (3/5)
Carat
Medium (3/5)
Clarity
Very good (4/5)
Rarity
Hard to find (3/5)

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: styG 4/3 (medium light strongly yellowish green)
Phenomena: Pleochroism Strong (55%-59%)
Clarity
Clarity type: Slightly included (Type I)
Transparency: Transparent
Cut
Shape: Octagon
Cut style: Step
Symmetry: Exceptional
Brilliance: Fair
Polish: Exceptional
Size
Width: 6.50 mm
Length: 10.50 mm
Depth: 3.20 mm
Weight: 2.56 cts
Page 94 of 98 Back to Top << >>
Bibliographic details
Page title Natural Chrysoberyl Octagon 2.56 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:08 UTC
Date accessed 10 February 2025 02:49 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=ALX-001-00036
AMA style
David Weinberg. "Natural Chrysoberyl Octagon 2.56 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:08 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=ALX-001-00036. Accessed February 10, 2025.
APA style
"Natural Chrysoberyl Octagon 2.56 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 02:49, February 10, 2025, from http://www.alexandrite.net/viewpage.html?id=ALX-001-00036.
Bluebook style
"Natural Chrysoberyl Octagon 2.56 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00036 (last visited February 10, 2025).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Chrysoberyl Octagon 2.56 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00036 (Hard to find Chrysoberyl (Chrysoberyl) Octagon 2.56cts from Tanzania (Tunduru)) (as of Feb. 10, 2025, 02:49 GMT).
CBE/CSE style
David Weinberg. "Natural Chrysoberyl Octagon 2.56 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:08 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:08 UTC [cited 2025 Feb 10]. Available from: http://www.alexandrite.net/viewpage.html?id=ALX-001-00036.
Chicago style
David Weinberg, "Natural Chrysoberyl Octagon 2.56 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00036, (accessed February 10, 2025).
MLA style
"Natural Chrysoberyl Octagon 2.56 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:08 UTC. 10 Feb 2025 http://www.alexandrite.net/viewpage.html?id=ALX-001-00036
MHRA style
David Weinberg, "Natural Chrysoberyl Octagon 2.56 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:08 UTC, http://www.alexandrite.net/viewpage.html?id=ALX-001-00036 [accessed 10 February 2025].
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