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Chrome Tourmaline and Dioptase Optical Properties


Dioptase and Chrome Tourmaline Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
Weak; dark emerald green   

Dispersion
Not Available   
0.04   
13

Transparency
Transparent, Translucent   
TranslucentHerve Nicolas Lazzarelli   

Refractive Index
1.614-1.666   
1.644-1.720   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Trigonal   

Birefringence
0.014-0.040   
0.051-0.053   

Clarity
Transparent   
TranslucentHerve Nicolas Lazzarelli   

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Chrome Tourmaline and Dioptase Optic Character

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

Similar to their colors, Chrome Tourmaline and Dioptase 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 Tourmaline is Translucent and Transparent while Chrome Tourmaline is Translucent and Transparent in appearance.

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