This is an octagon-facet, strong-green, natural Colombian Emerald gemstone. It weighs 11.50cts, measures 14.5x11.5mm and is opaque.
Below are the technical specs.
Size: | 14.5x11.5 mm | |
Shape: | Octagon-Facet | |
Colour: | Light-Green | |
Clarity: | Opaque | |
Lustre: | Stunning | |
Origin: | Colombia | |
Hardness: | 7.5 - 8 | |
Specific Gravity: | 2.67 - 2.84 | |
Refractive Index: | 1.56 - 1.59 | |
Chemical Composition: | Be3Al2(SiO3)6, Beryllium Aluminum Silicate | |
Crystal Structure: | Hexagonal |