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Hodgkinsonite and Turquoise Optical Properties


Turquoise and Hodgkinsonite Optical Properties


Optical Properties

Luster
Vitreous   
Waxy   

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

Dispersion
Not Available   
None   

Transparency
Gems   
Translucent, Opaque   

Refractive Index
1.720-1.746   
1.610-1.650   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Triclinic   

Birefringence
0.026   
0.040   

Clarity
Gems   
Translucent   

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Hodgkinsonite and Turquoise Optic Character

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

Similar to their colors, Hodgkinsonite and Turquoise 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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