Home
Gemstones


Cobaltite and Rubellite Optical Properties


Rubellite and Cobaltite Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
Very weak   
Strong: dark red pinkish-redHerve Nicolas Lazzarelli   

Dispersion
Not Available   
0.02   
22

Transparency
Gems   
Transparent, Translucent   

Refractive Index
Not Available   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21   
Not Available   

Birefringence
Not Available   
0.014-0.040   

Clarity
Gems   
Transparent   

Benefits >>
<< Physical Properties

Cobaltite and Rubellite Optic Character

Cobaltite and Rubellite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Cobaltite and Rubellite 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 Cobaltite and Rubellite 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 Found in America

Cobaltite and Rubellite Transparency

Similar to their colors, Cobaltite and Rubellite 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, Cobaltite is Gems while Cobaltite is Gems in appearance.

Gems Found in America

Gems Found in America


Compare Gems Found in America