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Ruby and Leucite Optical Properties


Leucite and Ruby Optical Properties


Optical Properties

Luster
Vitreous, Adamantine, Vitreous, Adamantine   
Vitreous   

Pleochroism
Strong: purplish-red   
Not Available   

Dispersion
0.02   
21
0.01   
29

Transparency
Transparent, Translucent, Transparent to opaque   
Gemmological Tables (2004) More from other references   

Refractive Index
1.762-1.778   
1.504-1.510   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
tetragonal   

Birefringence
0.008   
0.001   

Clarity
Transparent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Ruby and Leucite Optic Character

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

Similar to their colors, Ruby and Leucite 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, Ruby is Translucent, Transparent and Transparent to opaque while Ruby is Translucent, Transparent and Transparent to opaque in appearance.

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