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Nephrite and Scolecite Optical Properties


Scolecite and Nephrite Optical Properties


Optical Properties

Luster
Vitreous, Greasy   
Vitreous, Silky, Fibrous   

Pleochroism
None   
X: colourless Y: colourless Z: colourless   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Transparent, Translucent   

Refractive Index
1.600-1.627   
1.512-1.523   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
monoclinic   

Birefringence
0.027   
0.011   

Clarity
Translucent   
Transparent   

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Nephrite and Scolecite Optic Character

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

Similar to their colors, Nephrite and Scolecite 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, Nephrite is Translucent while Nephrite is Translucent in appearance.

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