×

Gahnospinel
Gahnospinel

Emerald
Emerald



ADD
Compare
X
Gahnospinel
X
Emerald

Gahnospinel and Emerald Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Strong dichroism: yellow green Lazzarelli

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.735-1.7901.565-1.602
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
Hexagonal

Birefringence

-99990.0040-0.0070
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Gahnospinel and Emerald Optic Character

Gahnospinel and Emerald optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Gahnospinel and Emerald Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Gahnospinel and Emerald optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

Gahnospinel and Emerald Transparency

Similar to their colors, Gahnospinel and Emerald transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Gahnospinel is while Gahnospinel is in appearance.