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Alexandrite

Tsarstone collectors guide

Nice Emerald Cut Chrysoberyl 8.18cts.

For such a hard and durable material chrysoberyl is relatively obscure and the low prices don’t seem to reflect its utility as a gemstone. Only corundum and diamond are harder.

Nice Emerald Cut Chrysoberyl 8.18cts.

Grade Score 6 / 10

Color
Fair (2/5)
Cut
Good (3/5)
Carat
Large (4/5)
Clarity
Very good (4/5)
Rarity
Rare (4/5)

Price information

Availability information

Detail identification and grading report
Identification
Type: Natural
Species: Chrysoberyl
Variety: Chrysoberyl
Origin: Balangoda, Ratnapura, Sabaragamuwa, Sri Lanka
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*4/4 (medium light yellow green or green yellow)
Phenomena: Pleochroism Strong (60%-64%)
Clarity
Clarity type: Eye clean (Type I)
Transparency: Transparent
Cut
Shape: Octagon
Cut style: Step
Symmetry: Good
Brilliance: Exceptional
Polish: Exceptional
Size
Width: 7.50 mm
Length: 17.80 mm
Depth: 5.50 mm
Weight: 8.18 cts
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Bibliographic details
Page title Natural Chrysoberyl Octagon 8.18 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:09 UTC
Date accessed 28 September 2023 08:29 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=ALX-001-00091
AMA style
David Weinberg. "Natural Chrysoberyl Octagon 8.18 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:09 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=ALX-001-00091. Accessed September 28, 2023.
APA style
"Natural Chrysoberyl Octagon 8.18 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 08:29, September 28, 2023, from http://www.alexandrite.net/viewpage.html?id=ALX-001-00091.
Bluebook style
"Natural Chrysoberyl Octagon 8.18 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00091 (last visited September 28, 2023).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Chrysoberyl Octagon 8.18 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00091 (Rare Chrysoberyl (Chrysoberyl) Octagon 8.18cts from Sri Lanka (Balangoda)) (as of Sep. 28, 2023, 08:29 GMT).
CBE/CSE style
David Weinberg. "Natural Chrysoberyl Octagon 8.18 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:09 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:09 UTC [cited 2023 Sep 28]. Available from: http://www.alexandrite.net/viewpage.html?id=ALX-001-00091.
Chicago style
David Weinberg, "Natural Chrysoberyl Octagon 8.18 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00091, (accessed September 28, 2023).
MLA style
"Natural Chrysoberyl Octagon 8.18 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:09 UTC. 28 Sep 2023 http://www.alexandrite.net/viewpage.html?id=ALX-001-00091
MHRA style
David Weinberg, "Natural Chrysoberyl Octagon 8.18 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:09 UTC, http://www.alexandrite.net/viewpage.html?id=ALX-001-00091 [accessed 28 September 2023].
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