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Zircon
Zircon

Lazulite
Lazulite



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Zircon
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Lazulite

Zircon and Lazulite Optical Properties

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1 Optical Properties
1.1 Luster
Adamantine
Not Available
1.2 Pleochroism
Weak
Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
1.3 Dispersion
0.040.01
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent
1.5 Refractive Index
1.810-2.0241.604-1.646
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
tetragonal
monoclinic
1.8 Birefringence
0.047-0.0550.031-0.036
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Zircon and Lazulite Optic Character

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

Zircon and Lazulite Transparency

Similar to their colors, Zircon and Lazulite 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.