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Shigaite and Cobaltite Optical Properties


Cobaltite and Shigaite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Distinct   
Very weak   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Gems   

Refractive Index
1.546   
Not Available   

Optic Character
Not Available   
Not Available   

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

Birefringence
Not Available   
Not Available   

Clarity
Not Available   
Gems   

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<< Physical Properties

Shigaite and Cobaltite Optic Character

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

Similar to their colors, Shigaite and Cobaltite 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, Shigaite is Not Available while Shigaite is Not Available in appearance.

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