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Chiastolite and Ruby Optical Properties


Ruby and Chiastolite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Adamantine, Vitreous, Adamantine   

Pleochroism
Not Available   
Strong: purplish-red   

Dispersion
Not Available   
0.02   
21

Transparency
Translucent   
Transparent, Translucent, Transparent to opaque   

Refractive Index
1.627-1.645   
1.762-1.778   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
0.007-0.013   
0.008   

Clarity
Translucent   
Transparent   

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Chiastolite and Ruby Optic Character

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

Similar to their colors, Chiastolite and Ruby 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, Chiastolite is Translucent while Chiastolite is Translucent in appearance.

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