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Boleite
Boleite

Covellite
Covellite



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Boleite
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Covellite

Boleite and Covellite Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Resinous

Pleochroism

-
Marked

Dispersion

0.070.08
0.005 1
👆🏻

Transparency

Transparent
OpaqueAnthony et al

Refractive Index

2.051.45-2.62
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
Hexagonal

Birefringence

0.010-9999
0 0.296
👆🏻

Clarity

Transparent
OpaqueAnthony et al

Boleite and Covellite Optic Character

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

Boleite and Covellite Transparency

Similar to their colors, Boleite and Covellite 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, Boleite is Transparent while Boleite is Transparent in appearance.