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Chrome Diopside and Cordierite Iolite Optical Properties


Cordierite Iolite and Chrome Diopside Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Common trichroism: light green   
Strong trichroism: colorless to yellowish   

Dispersion
Not Available   
0.02   
22

Transparency
Gems, Sixth Edition (2006)   
Transparent   

Refractive Index
1.668-1.703   
1.542-1.578   

Optic Character
Not Available   
Biaxial/+   

Crystal System
monoclinic   
Not Available   

Birefringence
0.024-0.030   
0.008-0.012   

Clarity
Gems   
Transparent   

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Chrome Diopside and Cordierite Iolite Optic Character

Chrome Diopside and Cordierite Iolite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Chrome Diopside and Cordierite Iolite 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 Chrome Diopside and Cordierite Iolite 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. Cordierite Iolite has Biaxial/+ character.

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Chrome Diopside and Cordierite Iolite Transparency

Similar to their colors, Chrome Diopside and Cordierite Iolite 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, Chrome Diopside is Gems and Sixth Edition (2006) while Chrome Diopside is Gems and Sixth Edition (2006) in appearance.

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