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Nepouite and Pargasite Optical Properties


Pargasite and Nepouite Optical Properties


Optical Properties

Luster
Waxy, Pearly   
Vitreous   

Pleochroism
Weak   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent   

Refractive Index
1.600-1.630   
1.613-1.663   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
monoclinic   

Birefringence
Not Available   
0.020   

Clarity
Not Available   
Transparent   

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Nepouite and Pargasite Optic Character

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

Similar to their colors, Nepouite and Pargasite 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, Nepouite is Not Available while Nepouite is Not Available in appearance.

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