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Star Ruby and Scheelite Optical Properties


Scheelite and Star Ruby Optical Properties


Optical Properties

Luster
-  
Vitreous, Adamantine  

Pleochroism
-  
Definite dichoric in yellow (yellow to orange-brown)  

Dispersion
0.02  
99+
0.04  
36

Transparency
Transparent, Translucent  
Translucent, Transparent  

Refractive Index
1.757-1.780  
1.918-1.936  

Optic Character
-  
-  

Crystal System
-  
tetragonal  

Birefringence
0.007-0.010  
0.016  

Clarity
Transparent  
Translucent  

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Star Ruby and Scheelite Optic Character

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

Similar to their colors, Star Ruby and Scheelite 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, Star Ruby is Transparent and Translucent while Star Ruby is Transparent and Translucent in appearance.

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