Home
Gemstones


Axinite and Topaz Optical Properties


Topaz and Axinite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Strong   
Weak   

Dispersion
0.02   
21
0.01   
26

Transparency
Gemmological Tables (2004) More from other references   
Transparent   

Refractive Index
1.656-1.704   
1.606-1.644   

Optic Character
Biaxial/+   
Not Available   

Crystal System
Triclinic   
Orthorhombic   

Birefringence
0.009-0.012   
0.008-0.011   

Clarity
TransparentUlrich Henn and Claudio C. Milisenda   
TransparentUlrich Henn and Claudio C. Milisenda   

Benefits >>
<< Physical Properties

Axinite and Topaz Optic Character

Axinite and Topaz optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Axinite and Topaz 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 Axinite and Topaz 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 Green Gemstones

Axinite and Topaz Transparency

Similar to their colors, Axinite and Topaz 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, Axinite is Gemmological Tables (2004) More from other references while Axinite is Gemmological Tables (2004) More from other references in appearance.

Green Gemstones

Green Gemstones


Compare Green Gemstones