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Pearl and Richterite Optical Properties


Richterite and Pearl Optical Properties


Optical Properties

Luster
Pearly   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Strong: pale yellow   

Dispersion
None   
Not Available   

Transparency
Translucent, Opaque   
Not Available   

Refractive Index
1.52-1.66   
1.615   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
monoclinic   

Birefringence
0.156   
0.021   

Clarity
Translucent   
Not Available   

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Pearl and Richterite Optic Character

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

Similar to their colors, Pearl and Richterite 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, Pearl is Opaque and Translucent while Pearl is Opaque and Translucent in appearance.

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