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Zircon and Lawsonite Optical Properties


Lawsonite and Zircon Optical Properties


Optical Properties

Luster
Adamantine   
Vitreous, Greasy   

Pleochroism
Weak   
Weak   

Dispersion
0.04   
11
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.810-2.024   
1.672-1.676   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
Orthorhombic   

Birefringence
0.047-0.055   
0.019-0.021   

Clarity
Transparent   
Not Available   

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Zircon and Lawsonite Optic Character

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

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

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