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Crystal Opal and Zircon Optical Properties


Zircon and Crystal Opal Optical Properties


Optical Properties

Luster
Not Available   
Adamantine   

Pleochroism
AbsentWalter Schumann   
Weak   

Dispersion
None   
0.04   
11

Transparency
Transparent   
Transparent   

Refractive Index
1.370-1.   
1.810-2.024   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
tetragonal   

Birefringence
Not Available   
0.047-0.055   

Clarity
Transparent   
Transparent   

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<< Physical Properties

Crystal Opal and Zircon Optic Character

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

Similar to their colors, Crystal Opal 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, Crystal Opal is Transparent while Crystal Opal is Transparent in appearance.

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