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Druzy
Druzy

Sellaite
Sellaite



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Druzy
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Sellaite

Druzy and Sellaite Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Opaque
Transparent

Refractive Index

-99991.378-1.390
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
tetragonal

Birefringence

-99990.012
0 0.296
👆🏻

Clarity

Opaque
Transparent

Druzy and Sellaite Optic Character

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

Druzy and Sellaite Transparency

Similar to their colors, Druzy and Sellaite 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, Druzy is Opaque while Druzy is Opaque in appearance.