Home
Gemstones


Kyanite and Pezzottaite Optical Properties


Pezzottaite and Kyanite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Vitreous   

Pleochroism
Trichroic   
Moderate dichroic   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent   

Refractive Index
1.71-1.74   
1.598-1.620   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Hexagonal   

Birefringence
Not Available   
0.008-0.011   

Clarity
Color grading system   
Transparent   

Benefits >>
<< Physical Properties

Kyanite and Pezzottaite Optic Character

Kyanite and Pezzottaite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Kyanite and Pezzottaite 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 Kyanite and Pezzottaite 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.

Compare Blue Gemstones

Kyanite and Pezzottaite Transparency

Similar to their colors, Kyanite and Pezzottaite 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, Kyanite is Not Available while Kyanite is Not Available in appearance.

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones