Home
Gemstones


Sardonyx and Calcite Optical Properties


Calcite and Sardonyx Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Pearly   

Pleochroism
Not Available   
NilArthur Thomas   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Transparent, Translucent   

Refractive Index
1.530-1.543   
1.486-1.658   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
0.008-0.010   
0.154-0.174   

Clarity
Translucent   
Transparent   

Benefits >>
<< Physical Properties

Sardonyx and Calcite Optic Character

Sardonyx and Calcite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Sardonyx and Calcite 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 Sardonyx and Calcite 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 Blue Gemstones

Sardonyx and Calcite Transparency

Similar to their colors, Sardonyx and Calcite 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, Sardonyx is Translucent while Sardonyx is Translucent in appearance.

Blue Gemstones

Blue Gemstones


Compare Blue Gemstones