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Hodgkinsonite and Cinnabar Optical Properties


Cinnabar and Hodgkinsonite Optical Properties


Optical Properties

Luster
Vitreous   
Adamantine   

Pleochroism
Lavender and pale purple for transparent pink stones.Michael O’Donoghue   
NilArthur Thomas   

Dispersion
Not Available   
Not Available   

Transparency
Gems   
Translucent   

Refractive Index
1.720-1.746   
2.905-3.25   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Trigonal   

Birefringence
0.026   
Not Available   

Clarity
Gems   
Translucent   

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Hodgkinsonite and Cinnabar Optic Character

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

Similar to their colors, Hodgkinsonite and Cinnabar 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, Hodgkinsonite is Gems while Hodgkinsonite is Gems in appearance.

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