Home
Gemstones


Emerald and Steatite Optical Properties


Steatite and Emerald Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Strong dichroism: yellow green Lazzarelli   
Not Available   

Dispersion
0.01   
26
Not Available   

Transparency
Transparent, Translucent, Transparent to translucent   
Gemmological Tables (2004)   

Refractive Index
1.565-1.602   
1.539-1.596   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Not Available   

Birefringence
0.0040-0.0070   
0.046-0.050   

Clarity
Color grading system   
OpaqueUlrich Henn and Claudio C. Milisenda   

Benefits >>
<< Physical Properties

Emerald and Steatite Optic Character

Emerald and Steatite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Emerald and Steatite 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 Emerald and Steatite 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 Birthstones

Emerald and Steatite Transparency

Similar to their colors, Emerald and Steatite 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, Emerald is Translucent, Transparent and Transparent to translucent while Emerald is Translucent, Transparent and Transparent to translucent in appearance.

Birthstones

Birthstones

» More Birthstones

Compare Birthstones

» More Compare Birthstones