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Cobaltite and Sphene Optical Properties


Sphene and Cobaltite Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
Very weak   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Gems   
Not Available   

Refractive Index
Not Available   
1.84-2.11   

Optic Character
Not Available   
Not Available   

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

Birefringence
Not Available   
Not Available   

Clarity
Gems   
Color grading system   

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<< Physical Properties

Cobaltite and Sphene Optic Character

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

Similar to their colors, Cobaltite and Sphene 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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