×

Jasper
Jasper

Cordierite
Cordierite



ADD
Compare
X
Jasper
X
Cordierite

Jasper and Cordierite Optical Properties

Add ⊕

Optical Properties

Luster

Vitreous
Greasy, Vitreous

Pleochroism

-
X = pale yellow

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Opaque
-

Refractive Index

1.540-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Orthorhombic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

OpaqueHerve Nicolas Lazzarelli
-

Jasper and Cordierite Optic Character

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

Jasper and Cordierite Transparency

Similar to their colors, Jasper and Cordierite 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, Jasper is Opaque while Jasper is Opaque in appearance.