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Nepouite and Labradorite Optical Properties


Labradorite and Nepouite Optical Properties


Optical Properties

Luster
Waxy, Pearly   
Vitreous, Pearly   

Pleochroism
Weak   
From the Congo   

Dispersion
Not Available   
0.01   
28

Transparency
Not Available   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.600-1.630   
1.554-1.573   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Triclinic   

Birefringence
Not Available   
0.008-0.010   

Clarity
Not Available   
Transparent   

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Nepouite and Labradorite Optic Character

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

Similar to their colors, Nepouite and Labradorite 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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