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Anatase and Common Opal Optical Properties


Common Opal and Anatase Optical Properties


Optical Properties

Luster
Adamantine   
Not Available   

Pleochroism
Weak   
AbsentWalter Schumann   

Dispersion
0.21   
3
None   

Transparency
Transparent   
Translucent   

Refractive Index
2.488-2.562   
1.37-1.52   

Optic Character
Not Available   
Not Available   

Crystal System
tetragonal   
Not Available   

Birefringence
0.073   
Not Available   

Clarity
Transparent   
Translucent   

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<< Physical Properties

Anatase and Common Opal Optic Character

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

Similar to their colors, Anatase and Common Opal 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, Anatase is Transparent while Anatase is Transparent in appearance.

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