Fluorite and Sugilite Optical Properties

Fluorite

Sugilite

Add ⊕

Optical Properties

Luster

Vitreous

Pleochroism

Weak

Dispersion

0.010.02

0.005 1

👆🏻

Transparency

Transparent, Translucent, Transparent to translucent

Translucent

Refractive Index

1.432-1.4361.607-1.612

1 3.25

👆🏻

Optic Character

Crystal System

cubic

Hexagonal

Birefringence

-99990.003

0 0.296

👆🏻

Clarity

Transparent

Translucent

Fluorite and Sugilite Optic Character

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

Fluorite Vs Opal

Fluorite Vs Ruby

Fluorite Vs Spinel

Fluorite and Sugilite Transparency

Similar to their colors, Fluorite and Sugilite 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, Fluorite is Transparent, Translucent and Transparent to translucent while Fluorite is Transparent, Translucent and Transparent to translucent in appearance.