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Zinnwaldite and Chromite Optical Properties


Chromite and Zinnwaldite Optical Properties


Optical Properties

Luster
Pearly, Vitreous   
Not Available   

Pleochroism
Distinct   
none.   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Not Available   

Refractive Index
1.565-1.625   
2.08-2.16   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Isometric   

Birefringence
0.040-0.050   
Not Available   

Clarity
Not Available   
Not Available   

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<< Physical Properties

Zinnwaldite and Chromite Optic Character

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

Similar to their colors, Zinnwaldite and Chromite 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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