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Sulfur and Covellite Optical Properties


Covellite and Sulfur Optical Properties


Optical Properties

Luster
Not Available   
Resinous   

Pleochroism
Not Available   
Marked   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
OpaqueAnthony et al, Handbook of mineralogy (2001) More from other references   

Refractive Index
Not Available   
1.45-2.62   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Hexagonal   

Birefringence
Not Available   
Not Available   

Clarity
Not Available   
OpaqueAnthony et al   

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<< Physical Properties

Sulfur and Covellite Optic Character

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

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Sulfur and Covellite Transparency

Similar to their colors, Sulfur 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, Sulfur is Not Available while Sulfur is Not Available in appearance.

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