×

Stolzite
Stolzite

Iolite
Iolite



ADD
Compare
X
Stolzite
X
Iolite

Stolzite and Iolite Optical Properties

Add ⊕

Optical Properties

Luster

Resinous, Subadamantine
Vitreous

Pleochroism

-
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

2.180-2.1901.52-1.56
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Orthorhombic

Birefringence

0.090-9999
0 0.296
👆🏻

Clarity

-
Transparent to translucent

Stolzite and Iolite Optic Character

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

Stolzite and Iolite Transparency

Similar to their colors, Stolzite and Iolite 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, Stolzite is while Stolzite is in appearance.