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Hodgkinsonite and Hackmanite Optical Properties


Hackmanite and Hodgkinsonite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Lavender and pale purple for transparent pink stones.Michael O’Donoghue   
Not Available   

Dispersion
Not Available   
Not Available   

Transparency
Gems   
Gemmological Tables (2004)   

Refractive Index
1.720-1.746   
1.483-1.487   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Not Available   

Birefringence
0.026   
Not Available   

Clarity
Gems   
Transparent   

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Hodgkinsonite and Hackmanite Optic Character

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

Similar to their colors, Hodgkinsonite and Hackmanite 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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