Home
Gemstones


Goshenite and Grandidierite Optical Properties


Grandidierite and Goshenite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Pearly   

Pleochroism
Not Available   
visible   

Dispersion
0.01   
26
Not Available   

Transparency
Transparent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.562-1.615   
1.578-1.639   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Orthorhombic   

Birefringence
0.003-0.010   
0.037-0.039   

Clarity
Transparent   
Gemmological Tables (2004) More from other references   

Benefits >>
<< Physical Properties

Goshenite and Grandidierite Optic Character

Goshenite and Grandidierite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Goshenite and Grandidierite 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 Goshenite and Grandidierite 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 Gems for Gemini

Goshenite and Grandidierite Transparency

Similar to their colors, Goshenite and Grandidierite 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, Goshenite is Transparent while Goshenite is Transparent in appearance.

Gemini Gems

Gemini Gems

» More Gemini Gems

Compare Gems for Gemini

» More Compare Gems for Gemini