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Verdelite and Cordierite Optical Properties


Cordierite and Verdelite Optical Properties


Optical Properties

Luster
Not Available   
Greasy, Vitreous   

Pleochroism
Strong: dark green yellow   
X = pale yellow   

Dispersion
0.02   
22
Not Available   

Transparency
Transparent, Translucent   
Not Available   

Refractive Index
1.614-1.666   
Not Available   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Orthorhombic   

Birefringence
0.014-0.040   
Not Available   

Clarity
Transparent   
Not Available   

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<< Physical Properties

Verdelite and Cordierite Optic Character

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

Similar to their colors, Verdelite and Cordierite 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, Verdelite is Translucent and Transparent while Verdelite is Translucent and Transparent in appearance.

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