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Alexandrite

Tsarstone collectors guide

Fine Sharp Chrysoberyl Cat's Eye 4.40cts.

Nice sharp eye with a great shape and an attractive milk and honey effect. Chrysoberyl is extremely hard and durable, only corundum and diamond are harder.

Fine Sharp Chrysoberyl Cat's Eye 4.40cts.

Grade Score 7 / 10

Color
Good (3/5)
Cut
Exceptional (5/5)
Carat
Medium (3/5)
Clarity
Inapplicable (N/A)
Rarity
Hard to find (3/5)

Price information

Availability information

Detail identification and grading report
Identification
Type: Natural
Species: Chrysoberyl
Variety: Cymophane
Origin: Ilakaka, Horombe, Ranohira, Fianarantsoa, Madagascar
Hardness: 8.5
Density: 3.75
RI-1: 1.741
RI-2: 1.76
Enhancements
Variety of work: Traditional (Cabochon)
Designation: A (Not currently known to be enhanced)
Color
Color light source: Cool daylight
Color description: gY*3/2 (light greenish yellow)
Phenomena: Cat's eye (Chatoyancy) Chatoyancy Strong (60%-64%)
Clarity
Transparency: Translucent
Cut
Shape: Oval
Cut style: Polished
Symmetry: Exceptional
Polish: Exceptional
Size
Width: 9.20 mm
Length: 9.70 mm
Depth: 5.50 mm
Weight: 4.40 cts
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Bibliographic details
Page title Natural Cymophane Oval 4.4 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:09 UTC
Date accessed 05 October 2024 09:25 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=ALX-001-00041
AMA style
David Weinberg. "Natural Cymophane Oval 4.4 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:09 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=ALX-001-00041. Accessed October 05, 2024.
APA style
"Natural Cymophane Oval 4.4 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 09:25, October 05, 2024, from http://www.alexandrite.net/viewpage.html?id=ALX-001-00041.
Bluebook style
"Natural Cymophane Oval 4.4 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00041 (last visited October 05, 2024).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Cymophane Oval 4.4 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00041 (Hard to find Cymophane (Chrysoberyl) Oval 4.4cts from Madagascar (Ilakaka)) (as of Oct. 05, 2024, 09:25 GMT).
CBE/CSE style
David Weinberg. "Natural Cymophane Oval 4.4 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:09 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:09 UTC [cited 2024 Oct 05]. Available from: http://www.alexandrite.net/viewpage.html?id=ALX-001-00041.
Chicago style
David Weinberg, "Natural Cymophane Oval 4.4 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00041, (accessed October 05, 2024).
MLA style
"Natural Cymophane Oval 4.4 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:09 UTC. 05 Oct 2024 http://www.alexandrite.net/viewpage.html?id=ALX-001-00041
MHRA style
David Weinberg, "Natural Cymophane Oval 4.4 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:09 UTC, http://www.alexandrite.net/viewpage.html?id=ALX-001-00041 [accessed 05 October 2024].
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