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Alexandrite

Tsarstone collectors guide

Attractive Tanzanian Chrysoberyl Heart.

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.

Attractive Tanzanian Chrysoberyl Heart.

Grade Score 6 / 10

Color
Very good (4/5)
Cut
Good (3/5)
Carat
Medium (3/5)
Clarity
Very good (4/5)
Rarity
Hard to find (3/5)

Price information

Availability information

Detail identification and grading report
Identification
Type: Natural
Species: Chrysoberyl
Variety: Chrysoberyl
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: YG/GY*4/4 (medium light yellow green or green yellow)
Phenomena: Pleochroism Strong (65%-69%)
Clarity
Clarity type: Eye clean (Type I)
Transparency: Transparent
Cut
Shape: Heart
Cut style: Step
Symmetry: Good
Brilliance: Exceptional
Polish: Exceptional
Size
Width: 8.20 mm
Length: 8.40 mm
Depth: 5.10 mm
Weight: 2.49 cts
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Bibliographic details
Page title Natural Chrysoberyl Heart 2.49 cts
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 05:08 UTC
Date accessed 11 November 2025 07:29 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=ALX-001-00094
AMA style
David Weinberg. "Natural Chrysoberyl Heart 2.49 cts". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 05:08 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=ALX-001-00094. Accessed November 11, 2025.
APA style
"Natural Chrysoberyl Heart 2.49 cts". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 07:29, November 11, 2025, from http://www.alexandrite.net/viewpage.html?id=ALX-001-00094.
Bluebook style
"Natural Chrysoberyl Heart 2.49 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00094 (last visited November 11, 2025).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Natural Chrysoberyl Heart 2.49 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00094 (Hard to find Chrysoberyl (Chrysoberyl) Heart 2.49cts from Tanzania (Tunduru)) (as of Nov. 11, 2025, 07:29 GMT).
CBE/CSE style
David Weinberg. "Natural Chrysoberyl Heart 2.49 cts". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 05:08 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 05:08 UTC [cited 2025 Nov 11]. Available from: http://www.alexandrite.net/viewpage.html?id=ALX-001-00094.
Chicago style
David Weinberg, "Natural Chrysoberyl Heart 2.49 cts", http://www.alexandrite.net/viewpage.html?id=ALX-001-00094, (accessed November 11, 2025).
MLA style
"Natural Chrysoberyl Heart 2.49 cts". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 05:08 UTC. 11 Nov 2025 http://www.alexandrite.net/viewpage.html?id=ALX-001-00094
MHRA style
David Weinberg, "Natural Chrysoberyl Heart 2.49 cts", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 05:08 UTC, http://www.alexandrite.net/viewpage.html?id=ALX-001-00094 [accessed 11 November 2025].
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