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Sylvite and Harlequin Opal Optical Properties


Harlequin Opal and Sylvite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Visible in colored crystals   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Not Available   
Transparent   

Refractive Index
1.4903   
1.37-1.52   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Not Available   

Birefringence
Not Available   
Not Available   

Clarity
Not Available   
Transparent   

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Sylvite and Harlequin Opal Optic Character

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

Similar to their colors, Sylvite and Harlequin Opal 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, Sylvite is Not Available while Sylvite is Not Available in appearance.

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