Home
Gemstones


Helenite and Tanzanite Optical Properties


Tanzanite and Helenite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
Present   

Dispersion
Not Available   
0.03   
14

Transparency
Not Available   
Transparent, Translucent, Transparent to translucent   

Refractive Index
Not Available   
1.685-1.707   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Orthorhombic   

Birefringence
Not Available   
0.006-0.018   

Clarity
Not Available   
TransparentUlrich Henn and Claudio C. Milisenda   

Benefits >>
<< Physical Properties

Helenite and Tanzanite Optic Character

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

Helenite and Tanzanite Transparency

Similar to their colors, Helenite and Tanzanite 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, Helenite is Not Available while Helenite is Not Available in appearance.

Green Gemstones

Green Gemstones


Compare Green Gemstones