Charoite and Zircon Optical Properties
Luster
Pearly, Fibrous, Chatoyant
Adamantine
Pleochroism
NilArthur Thomas
Weak
Transparency
Translucent
Transparent
Refractive Index
1.545-1.560
1.810-2.024
Optic Character
Not Available
Not Available
Crystal System
Triclinic
tetragonal
Birefringence
0.009
0.047-0.055
Clarity
Translucent
Transparent
Charoite and Zircon Optic Character
Charoite and Zircon optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Charoite and Zircon 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 Zircon 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 Zircon Transparency
Similar to their colors, Charoite and Zircon 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.
