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Zinnwaldite and Riebeckite Optical Properties


Riebeckite and Zinnwaldite Optical Properties


Optical Properties

Luster
Pearly, Vitreous   
Vitreous, Silky   

Pleochroism
Distinct   
X = blue   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Not Available   

Refractive Index
1.565-1.625   
1.680-1.698   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
monoclinic   

Birefringence
0.040-0.050   
0.005-0.008   

Clarity
Not Available   
Not Available   

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Zinnwaldite and Riebeckite Optic Character

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

Similar to their colors, Zinnwaldite and Riebeckite 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, Zinnwaldite is Not Available while Zinnwaldite is Not Available in appearance.

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