Home
Gemstones


Povondraite and Tourmaline Optical Properties


Tourmaline and Povondraite Optical Properties


Optical Properties

Luster
Resinous   
Vitreous   

Pleochroism
Strong: yellow-brown   
typically moderate to strong   

Dispersion
Not Available   
0.02   
22

Transparency
Translucent   
Transparent, Translucent, Transparent to opaque   

Refractive Index
Not Available   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
Not Available   
0.014-0.040   

Clarity
Translucent   
Transparent   

Benefits >>
<< Physical Properties

Povondraite and Tourmaline Optic Character

Povondraite and Tourmaline optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Povondraite and Tourmaline 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 Povondraite and Tourmaline 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 Brown Gemstones

Povondraite and Tourmaline Transparency

Similar to their colors, Povondraite and Tourmaline 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, Povondraite is Translucent while Povondraite is Translucent in appearance.

Brown Gemstones

Brown Gemstones


Compare Brown Gemstones