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Sheen Obsidian and Variscite Optical Properties


Variscite and Sheen Obsidian Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Waxy   

Pleochroism
Not Available   
MissingWalter Schumann   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
Translucent, Opaque . May be translucent when backlit on the edges.   

Refractive Index
1.450-1.550   
1.560-1.594   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Orthorhombic   

Birefringence
Not Available   
0.031   

Clarity
Transparent   
Translucent   

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<< Physical Properties

Sheen Obsidian and Variscite Optic Character

Sheen Obsidian and Variscite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sheen Obsidian and Variscite 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 Sheen Obsidian and Variscite 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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Sheen Obsidian and Variscite Transparency

Similar to their colors, Sheen Obsidian and Variscite 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, Sheen Obsidian is Translucent and Transparent while Sheen Obsidian is Translucent and Transparent in appearance.

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