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Hypersthene and Narsarsukite Optical Properties


Narsarsukite and Hypersthene Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous, Pearly   

Pleochroism
Green stones strong: (dark) bluish-green brownish-red (yellowish)Herve Nicolas Lazzarelli   
Weak; O = colorless to yellow; E = colorless to honey-yellow   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
Transparent, Translucent   

Refractive Index
1.673-1.731   
1.610-1.647   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
tetragonal   

Birefringence
0.016   
0.021   

Clarity
Transparent   
Transparent   

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Hypersthene and Narsarsukite Optic Character

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

Similar to their colors, Hypersthene and Narsarsukite 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, Hypersthene is Translucent and Transparent while Hypersthene is Translucent and Transparent in appearance.

Black Gemstones

Black Gemstones


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