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Amber and Crystal Opal Optical Properties


Crystal Opal and Amber Optical Properties


Optical Properties

Luster
Resinous   
Not Available   

Pleochroism
AbsentWalter Schumann   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Transparent, Translucent   
Transparent   

Refractive Index
1.539-1.545   
1.370-1.   

Optic Character
Not Available   
Not Available   

Crystal System
Amorphous   
Not Available   

Birefringence
Not Available   
Not Available   

Clarity
Transparent   
Transparent   

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<< Physical Properties

Amber and Crystal Opal Optic Character

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

Amber and Crystal Opal Transparency

Similar to their colors, Amber and Crystal 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, Amber is Translucent and Transparent while Amber is Translucent and Transparent in appearance.

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