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Vishnevite and Vesuvianite Idocrase Optical Properties


Vesuvianite Idocrase and Vishnevite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Not Available   

Pleochroism
Not Available   
Not Available   

Dispersion
Not Available   
0.02   
20

Transparency
Not Available   
Transparent   

Refractive Index
1.490-1.507   
1.700-1.725   

Optic Character
Not Available   
Uniaxial/-   

Crystal System
Hexagonal   
Not Available   

Birefringence
0.002-0.012   
0.002-0.012   

Clarity
Not Available   
Transparent   

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Vishnevite and Vesuvianite Idocrase Optic Character

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

Similar to their colors, Vishnevite and Vesuvianite Idocrase 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, Vishnevite is Not Available while Vishnevite is Not Available in appearance.

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