Labradorite and Willemite Optical Properties

Labradorite

Willemite

Add ⊕

Optical Properties

Luster

Vitreous, Pearly

Vitreous, Resinous

Pleochroism

Dispersion

0.010.17

0.005 1

👆🏻

Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

Refractive Index

1.554-1.5731.687-1.723

1 3.25

👆🏻

Optic Character

Crystal System

Triclinic

Trigonal

Birefringence

0.008-0.0100.028-0.030

0 0.296

👆🏻

Clarity

Transparent

Labradorite and Willemite Optic Character

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

Compare Gems for Aquarius

Labradorite Vs Chrysanthemum Stone

Labradorite Vs Rhyolite

Labradorite Vs Hematite

Labradorite and Willemite Transparency

Similar to their colors, Labradorite and Willemite 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, Labradorite is Transparent, Translucent and Transparent to translucent while Labradorite is Transparent, Translucent and Transparent to translucent in appearance.