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Cobaltite and Peridot Optical Properties


Peridot and Cobaltite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous, Greasy   

Pleochroism
Very weak   
Weak: yellow-green green (colorless)Herve Nicolas Lazzarelli   

Dispersion
Not Available   
0.02   
18

Transparency
Gems   
Transparent   

Refractive Index
Not Available   
1.64-1.69   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic Pyramidal H-M Symbol (mm2) Space Group: P ca21   
Orthorhombic   

Birefringence
Not Available   
0.036   

Clarity
Gems   
Transparent   

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Cobaltite and Peridot Optic Character

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

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Cobaltite and Peridot Transparency

Similar to their colors, Cobaltite and Peridot 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.

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