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Chromite
Chromite

Sugilite
Sugilite



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Chromite
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Sugilite

Chromite and Sugilite Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

none.
Weak

Dispersion

0.040.02
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

2.08-2.161.607-1.612
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
Hexagonal

Birefringence

-99990.003
0 0.296
👆🏻

Clarity

-
Translucent

Chromite and Sugilite Optic Character

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

Chromite and Sugilite Transparency

Similar to their colors, Chromite 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, Chromite is while Chromite is in appearance.