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Chrysocolla
Chrysocolla

Sellaite
Sellaite



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Chrysocolla
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Sellaite

Chrysocolla and Sellaite Optical Properties

Optical Properties

Luster

Vitreous, Greasy
Vitreous

Pleochroism

-
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Opaque
Transparent

Refractive Index

1.460-1.5701.378-1.390
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
tetragonal

Birefringence

0.023-0.0500.012
0 0.296
👆🏻

Clarity

-
Transparent

Chrysocolla and Sellaite Optic Character

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

Chrysocolla and Sellaite Transparency

Similar to their colors, Chrysocolla 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, Chrysocolla is Opaque while Chrysocolla is Opaque in appearance.