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Fluorite and Zinnwaldite Optical Properties


Zinnwaldite and Fluorite Optical Properties


Optical Properties

Luster
Vitreous   
Pearly, Vitreous   

Pleochroism
AbsentWalter Schumann   
Distinct   

Dispersion
0.01   
30
Not Available   

Transparency
Transparent, Translucent, Transparent to translucent   
Not Available   

Refractive Index
1.432-1.436   
1.565-1.625   

Optic Character
Not Available   
Not Available   

Crystal System
cubic   
monoclinic   

Birefringence
Not Available   
0.040-0.050   

Clarity
Transparent   
Not Available   

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Fluorite and Zinnwaldite Optic Character

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

Similar to their colors, Fluorite and Zinnwaldite 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, Fluorite is Translucent, Transparent and Transparent to translucent while Fluorite is Translucent, Transparent and Transparent to translucent in appearance.

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