×

Fire Opal
Fire Opal

Emerald
Emerald



ADD
Compare
X
Fire Opal
X
Emerald

Fire Opal and Emerald Optical Properties

Add ⊕

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Strong dichroism: yellow green Lazzarelli

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.370-1.4701.565-1.602
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

-99990.0040-0.0070
0 0.296
👆🏻

Clarity

Transparent
-

Fire Opal and Emerald Optic Character

Fire Opal and Emerald optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Fire Opal 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 Fire Opal 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.

Fire Opal and Emerald Transparency

Similar to their colors, Fire Opal 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, Fire Opal is Transparent and Translucent while Fire Opal is Transparent and Translucent in appearance.