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Chrome Tourmaline and Hibonite Optical Properties


Hibonite and Chrome Tourmaline Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
O = brownish gray; E = gray   

Dispersion
Not Available   
Not Available   

Transparency
Transparent, Translucent   
Handbook of mineralogy (2001)   

Refractive Index
1.614-1.666   
1.79-1.807   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Hexagonal   

Birefringence
0.014-0.040   
Not Available   

Clarity
Transparent   
Handbook of mineralogy (2001)   

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Chrome Tourmaline and Hibonite Optic Character

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

Similar to their colors, Chrome Tourmaline and Hibonite 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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