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White Opal and Ruby Optical Properties


Ruby and White Opal Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Adamantine, Vitreous, Adamantine   

Pleochroism
AbsentWalter Schumann   
Strong: purplish-red   

Dispersion
None   
0.02   
21

Transparency
Translucent   
Transparent, Translucent, Transparent to opaque   

Refractive Index
1.37-1.52   
1.762-1.778   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
Not Available   
0.008   

Clarity
Translucent   
Transparent   

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<< Physical Properties

White Opal and Ruby Optic Character

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

Similar to their colors, White Opal 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, White Opal is Translucent while White Opal is Translucent in appearance.

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