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Diopside and Thulite Optical Properties


Thulite and Diopside Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Present   

Dispersion
0.02   
22
Not Available   

Transparency
Transparent, Translucent, Not Available, Transparent . Star Diopside is opaque .   
Opaque, Translucent, Opaque . May be translucent in thin backlit sections.   

Refractive Index
1.664-1.730   
1.695   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Orthorhombic   

Birefringence
0.024-0.030   
0.006-0.018   

Clarity
Transparent   
OpaqueHerve Nicolas Lazzarelli   

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Diopside and Thulite Optic Character

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

Similar to their colors, Diopside and Thulite 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, Diopside is Not Available, Translucent, Transparent and Transparent . Star Diopside is opaque . while Diopside is Not Available, Translucent, Transparent and Transparent . Star Diopside is opaque . in appearance.

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