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Black Opal and Edenite Optical Properties


Edenite and Black Opal Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Distinct   

Dispersion
None   
Not Available   

Transparency
Transparent, Translucent   
Not Available   

Refractive Index
1.370-1.470   
1.606-1.649   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
monoclinic   

Birefringence
Not Available   
Not Available   

Clarity
Transparent   
Not Available   

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<< Physical Properties

Black Opal and Edenite Optic Character

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

Similar to their colors, Black Opal and Edenite 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, Black Opal is Translucent and Transparent while Black Opal is Translucent and Transparent in appearance.

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