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Alexandrite

Tsarstone collectors guide

Emerald Cut Alexandrite 5.47cts.

A free independent gem lab cetificate is included with the purchase of this stone.

Emerald Cut Alexandrite 5.47cts.
Natural Alexandrite Octagon 5.47 cts Natural Alexandrite Octagon 5.47 cts

Grade Score 8 / 10

Color
Fair (2/5)
Cut
Good (3/5)
Carat
Very large (5/5)
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 5/1 (medium green)
Phenomena: Pleochroism Change of color (Alexandrite effect) Moderate
Color phenomena: rO*2/2 (very light reddish orange)
Clarity
Clarity type: Eye clean (Type I)
Transparency: Transparent
Cut
Shape: Octagon
Cut style: Step
Symmetry: Fair
Brilliance: Fair
Polish: Fair
Size
Width: 9.04 mm
Length: 13.64 mm
Depth: 4.03 mm
Weight: 5.47 cts
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Bibliographic details
Page title Natural Alexandrite Octagon 5.47 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:06 UTC
Date accessed 02 October 2023 23:15 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=ALX-001-00016
AMA style
David Weinberg. "Natural Alexandrite Octagon 5.47 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:06 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=ALX-001-00016. Accessed October 02, 2023.
APA style
"Natural Alexandrite Octagon 5.47 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 23:15, October 02, 2023, from http://www.alexandrite.net/viewpage.html?id=ALX-001-00016.
Bluebook style
"Natural Alexandrite Octagon 5.47 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00016 (last visited October 02, 2023).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Alexandrite Octagon 5.47 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00016 (Extremely rare Alexandrite (Chrysoberyl) Octagon 5.47cts from Tanzania (Tunduru)) (as of Oct. 02, 2023, 23:15 GMT).
CBE/CSE style
David Weinberg. "Natural Alexandrite Octagon 5.47 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:06 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:06 UTC [cited 2023 Oct 02]. Available from: http://www.alexandrite.net/viewpage.html?id=ALX-001-00016.
Chicago style
David Weinberg, "Natural Alexandrite Octagon 5.47 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00016, (accessed October 02, 2023).
MLA style
"Natural Alexandrite Octagon 5.47 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:06 UTC. 02 Oct 2023 http://www.alexandrite.net/viewpage.html?id=ALX-001-00016
MHRA style
David Weinberg, "Natural Alexandrite Octagon 5.47 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:06 UTC, http://www.alexandrite.net/viewpage.html?id=ALX-001-00016 [accessed 02 October 2023].
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