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Barite and Precious Opal Optical Properties


Precious Opal and Barite Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
colorless.   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
Not Available   
Transparent, Translucent   

Refractive Index
Not Available   
1.370-1.470   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Not Available   

Birefringence
Not Available   
Not Available   

Clarity
Not Available   
Transparent   

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Barite and Precious Opal Optic Character

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

Similar to their colors, Barite and Precious 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, Barite is Not Available while Barite is Not Available in appearance.

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