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Jasper and Glaucophane Optical Properties


Glaucophane and Jasper Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Pearly   

Pleochroism
AbsentWalter Schumann   
Strong   

Dispersion
None   
Not Available   

Transparency
Opaque   
Not Available   

Refractive Index
1.540   
1.606-1.637   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
monoclinic   

Birefringence
Not Available   
Not Available   

Clarity
OpaqueHerve Nicolas Lazzarelli   
Not Available   

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Jasper and Glaucophane Optic Character

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

Similar to their colors, Jasper and Glaucophane 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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