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Poldervaartite and Jasper Optical Properties


Jasper and Poldervaartite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Weak: colorless light gray bluish grayAnthony et al   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Transparent   
Opaque   

Refractive Index
1.634-1.656   
1.540   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
Not Available   
Not Available   

Clarity
Transparent   
OpaqueHerve Nicolas Lazzarelli   

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Poldervaartite and Jasper Optic Character

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

Similar to their colors, Poldervaartite and Jasper 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, Poldervaartite is Transparent while Poldervaartite is Transparent in appearance.

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