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.
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 |
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 | 14 December 2024 13:16 UTC |
Permanent link | http://www.alexandrite.net/viewpage.html?id=ALX-001-00094 |