Charoite and Bronzite Optical Properties
Luster
Pearly, Fibrous, Chatoyant
  
Not Available
  
Pleochroism
NilArthur Thomas
  
Not Available
  
Dispersion
Not Available
  
Not Available
  
Transparency
Translucent
  
Transparent, Translucent
  
Refractive Index
1.545-1.560
  
1.668
  
Optic Character
Not Available
  
Not Available
  
Crystal System
Triclinic
  
Orthorhombic
  
Birefringence
0.009
  
0.014
  
Clarity
Translucent
  
Transparent
  
Charoite and Bronzite Optic Character
Charoite and Bronzite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Charoite and Bronzite 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 Charoite and Bronzite 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.
Charoite and Bronzite Transparency
Similar to their colors, Charoite and Bronzite 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, Charoite is Translucent while Charoite is Translucent in appearance.