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Rock Crystal and Labradorite Optical Properties


Labradorite and Rock Crystal Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Pearly   

Pleochroism
AbsentWalter Schumann   
From the Congo   

Dispersion
0.01   
27
0.01   
28

Transparency
TransparentWalter Schumann, Gemstones of the world (2001) More from other references   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.544-1.553   
1.554-1.573   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Triclinic   

Birefringence
0.009   
0.008-0.010   

Clarity
TransparentWalter Schumann   
Transparent   

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Rock Crystal and Labradorite Optic Character

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

Similar to their colors, Rock Crystal 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, Rock Crystal is Gemstones of the world (2001) More from other references and TransparentWalter Schumann while Rock Crystal is Gemstones of the world (2001) More from other references and TransparentWalter Schumann in appearance.

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