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Willemite and Zircon Optical Properties


Zircon and Willemite Optical Properties


Optical Properties

Luster
Vitreous, Resinous   
Adamantine   

Pleochroism
NilArthur Thomas   
Weak   

Dispersion
Not Available   
0.04   
11

Transparency
Transparent, Translucent   
Transparent   

Refractive Index
1.687-1.723   
1.810-2.024   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
tetragonal   

Birefringence
0.028-0.030   
0.047-0.055   

Clarity
Transparent   
Transparent   

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Willemite and Zircon Optic Character

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

Similar to their colors, Willemite and Zircon 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, Willemite is Translucent and Transparent while Willemite is Translucent and Transparent in appearance.

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