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Vesuvianite Idocrase and Hibonite Optical Properties


Hibonite and Vesuvianite Idocrase Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
O = brownish gray; E = gray   

Dispersion
0.02   
20
Not Available   

Transparency
Transparent   
Handbook of mineralogy (2001)   

Refractive Index
1.700-1.725   
1.79-1.807   

Optic Character
Uniaxial/-   
Not Available   

Crystal System
Not Available   
Hexagonal   

Birefringence
0.002-0.012   
Not Available   

Clarity
Transparent   
Handbook of mineralogy (2001)   

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Vesuvianite Idocrase and Hibonite Optic Character

Vesuvianite Idocrase and Hibonite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Vesuvianite Idocrase 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 Vesuvianite Idocrase 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. Vesuvianite Idocrase has Uniaxial/- character.

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Vesuvianite Idocrase and Hibonite Transparency

Similar to their colors, Vesuvianite Idocrase 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, Vesuvianite Idocrase is Transparent while Vesuvianite Idocrase is Transparent in appearance.

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