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Jasper and Parisite Optical Properties


Parisite and Jasper Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
AbsentWalter Schumann   
Not Available   

Dispersion
None   
Not Available   

Transparency
Opaque   
Gemmological Tables (2004) More from other references   

Refractive Index
1.540   
1.671-1.771   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Not Available   

Birefringence
Not Available   
0.099-0.100   

Clarity
OpaqueHerve Nicolas Lazzarelli   
TransparentUlrich Henn and Claudio C. Milisenda   

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Jasper and Parisite Optic Character

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

Similar to their colors, Jasper and Parisite 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, Jasper is Opaque while Jasper is Opaque in appearance.

Semi Precious

Semi Precious


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