Charoite and Ceylonite Optical Properties
Luster
Pearly, Chatoyant
Vitreous
Transparency
Translucent
Transparent, Translucent
Refractive Index
1.545-1.560
1.770-1.780
Crystal System
Triclinic
Isometric
Birefringence
0.009
-9999
Clarity
Translucent
Transparent
Charoite and Ceylonite Optic Character
Charoite and Ceylonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Charoite and Ceylonite 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 Ceylonite 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 Ceylonite Transparency
Similar to their colors, Charoite and Ceylonite 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.