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Alexandrite

Tsarstone collectors guide

Certified Natural 7.0mm Alexandrite 2.16cts.

Medium very strongly bluish green in daylight (fluorescent light) and medium reddish purple under incandescent light, the color change is strong. The daylight blue green is especially attractive in stones from this deposit. For an alexandrite, the cut and proportions are quite good. Round alexandrites are always hard to find and I jumped on this one because I was able to get it at a reasonable price.

Certified Natural 7.0mm Alexandrite 2.16cts.
Natural Alexandrite Round 2.16 cts Natural Alexandrite Round 2.16 cts

Grade Score 8 / 10

Color
Good (3/5)
Cut
Exceptional (5/5)
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: Deobhog area, Raipur, Chhattisgarh, India
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: rP*5/2 (medium reddish purple)
Phenomena: Pleochroism Change of color (Alexandrite effect) Strong
Color phenomena: vstbG*5/4 (medium very strongly bluish green)
Clarity
Clarity type: Slightly included (Type I)
Transparency: Transparent
Cut
Shape: Round
Cut style: Step
Symmetry: Exceptional
Brilliance: Exceptional
Polish: Exceptional
Size
Width: 7.00 mm
Length: 7.04 mm
Depth: 5.41 mm
Weight: 2.16 cts
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Bibliographic details
Page title Natural Alexandrite Round 2.16 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:07 UTC
Date accessed 15 October 2019 22:47 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=ALX-001-00075
AMA style
David Weinberg. "Natural Alexandrite Round 2.16 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:07 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=ALX-001-00075. Accessed October 15, 2019.
APA style
"Natural Alexandrite Round 2.16 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 22:47, October 15, 2019, from http://www.alexandrite.net/viewpage.html?id=ALX-001-00075.
Bluebook style
"Natural Alexandrite Round 2.16 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00075 (last visited October 15, 2019).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Alexandrite Round 2.16 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00075 (Extremely rare Alexandrite (Chrysoberyl) Round 2.16cts from India (Deobhog area)) (as of Oct. 15, 2019, 22:47 GMT).
CBE/CSE style
David Weinberg. "Natural Alexandrite Round 2.16 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:07 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:07 UTC [cited 2019 Oct 15]. Available from: http://www.alexandrite.net/viewpage.html?id=ALX-001-00075.
Chicago style
David Weinberg, "Natural Alexandrite Round 2.16 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00075, (accessed October 15, 2019).
MLA style
"Natural Alexandrite Round 2.16 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:07 UTC. 15 Oct 2019 http://www.alexandrite.net/viewpage.html?id=ALX-001-00075
MHRA style
David Weinberg, "Natural Alexandrite Round 2.16 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:07 UTC, http://www.alexandrite.net/viewpage.html?id=ALX-001-00075 [accessed 15 October 2019].
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