×

Crystal Opal
Crystal Opal

Eosphorite
Eosphorite



ADD
Compare
X
Crystal Opal
X
Eosphorite

Crystal Opal and Eosphorite Optical Properties

Optical Properties

Luster

-
Vitreous, Resinous

Pleochroism

-
Visible: X = yellow; Y = pink; Z = pale pink to colorless

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.370-1.1.639-1.672
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.029-0.032
0 0.296
👆🏻

Clarity

Transparent
Transparent

Crystal Opal and Eosphorite Optic Character

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

Crystal Opal and Eosphorite Transparency

Similar to their colors, Crystal Opal and Eosphorite 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, Crystal Opal is Transparent while Crystal Opal is Transparent in appearance.