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Cobaltite and Hodgkinsonite Optical Properties


Hodgkinsonite and Cobaltite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Very weak   
Lavender and pale purple for transparent pink stones.Michael O’Donoghue   

Dispersion
Not Available   
Not Available   

Transparency
Gems   
Gems   

Refractive Index
Not Available   
1.720-1.746   

Optic Character
Not Available   
Not Available   

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

Birefringence
Not Available   
0.026   

Clarity
Gems   
Gems   

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Cobaltite and Hodgkinsonite Optic Character

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

Similar to their colors, Cobaltite and Hodgkinsonite 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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