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Alexandrite

Tsarstone collectors guide

Certified Natural Alexandrite Pear 3.06ct.

Medium green in daylight, and red-purple [pink] under incandescent light, the color change is strong and attractive. The cutting, polish, and proportions are good and the stone is especially bright and transparent. A complimentary AIGS mini certificate is included with the purchase of this stone.

Certified Natural Alexandrite Pear 3.06ct.
Natural Alexandrite Pear 3.06 cts Natural Alexandrite Pear 3.06 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

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*5/2 (medium green)
Phenomena: Pleochroism Change of color (Alexandrite effect) Strong
Color phenomena: RP/PR 5/3 (medium red-purple [pink])
Clarity
Clarity type: Eye clean (Type I)
Transparency: Transparent
Cut
Shape: Pear
Cut style: Step
Symmetry: Exceptional
Brilliance: Exceptional
Polish: Exceptional
Size
Width: 6.50 mm
Length: 11.10 mm
Depth: 6.30 mm
Weight: 3.06 cts
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Bibliographic details
Page title Natural Alexandrite Pear 3.06 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:07 UTC
Date accessed 18 October 2017 17:36 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=ALX-001-00079
AMA style
David Weinberg. "Natural Alexandrite Pear 3.06 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:07 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=ALX-001-00079. Accessed October 18, 2017.
APA style
"Natural Alexandrite Pear 3.06 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 17:36, October 18, 2017, from http://www.alexandrite.net/viewpage.html?id=ALX-001-00079.
Bluebook style
"Natural Alexandrite Pear 3.06 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00079 (last visited October 18, 2017).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Alexandrite Pear 3.06 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00079 (Extremely rare Alexandrite (Chrysoberyl) Pear 3.06cts from Tanzania (Tunduru)) (as of Oct. 18, 2017, 17:36 GMT).
CBE/CSE style
David Weinberg. "Natural Alexandrite Pear 3.06 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:07 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:07 UTC [cited 2017 Oct 18]. Available from: http://www.alexandrite.net/viewpage.html?id=ALX-001-00079.
Chicago style
David Weinberg, "Natural Alexandrite Pear 3.06 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00079, (accessed October 18, 2017).
MLA style
"Natural Alexandrite Pear 3.06 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:07 UTC. 18 Oct 2017 http://www.alexandrite.net/viewpage.html?id=ALX-001-00079
MHRA style
David Weinberg, "Natural Alexandrite Pear 3.06 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:07 UTC, http://www.alexandrite.net/viewpage.html?id=ALX-001-00079 [accessed 18 October 2017].
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