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Hypersthene and Prehnite Optical Properties


Prehnite and Hypersthene Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous   

Pleochroism
Green stones strong: (dark) bluish-green brownish-red (yellowish)Herve Nicolas Lazzarelli   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Transparent, Translucent   
Translucent   

Refractive Index
1.673-1.731   
1.611-1.673   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Orthorhombic   

Birefringence
0.016   
0.021-0.033   

Clarity
Transparent   
TranslucentHerve Nicolas Lazzarelli   

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Hypersthene and Prehnite Optic Character

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

Similar to their colors, Hypersthene and Prehnite 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.

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