Home
Gemstones


Pearl and Axinite Optical Properties


Axinite and Pearl Optical Properties


Optical Properties

Luster
Pearly   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Strong   

Dispersion
None   
0.02   
21

Transparency
Translucent, Opaque   
Gemmological Tables (2004) More from other references   

Refractive Index
1.52-1.66   
1.656-1.704   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Orthorhombic   
Triclinic   

Birefringence
0.156   
0.009-0.012   

Clarity
Translucent   
TransparentUlrich Henn and Claudio C. Milisenda   

Benefits >>
<< Physical Properties

Pearl and Axinite Optic Character

Pearl and Axinite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Pearl and Axinite 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 Pearl and Axinite 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. Axinite has Biaxial/+ character.

Compare Blue Gemstones

Pearl and Axinite Transparency

Similar to their colors, Pearl and Axinite 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, Pearl is Opaque and Translucent while Pearl is Opaque and Translucent in appearance.

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones