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Vesuvianite Idocrase
Vesuvianite Idocrase

Kyanite Cyprine
Kyanite Cyprine



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Vesuvianite Idocrase
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Kyanite Cyprine

Vesuvianite Idocrase and Kyanite Cyprine Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Blue stones strong trichroism: colorless/pale blue (greenish or violet)-blue dark blueHerve Nicolas Lazzarelli
1.3 Dispersion
0.020.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent
1.5 Refractive Index
1.700-1.7251.710-1.735
Agate Opal
1 3.25
1.6 Optic Character
Uniaxial/-
Biaxial/+
1.7 Crystal System
Not Available
Not Available
1.8 Birefringence
0.002-0.0120.012-0.033
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Vesuvianite Idocrase and Kyanite Cyprine Optic Character

Vesuvianite Idocrase and Kyanite Cyprine optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Vesuvianite Idocrase and Kyanite Cyprine 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 Kyanite Cyprine 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.Kyanite Cyprine has Biaxial/+ character.

Vesuvianite Idocrase and Kyanite Cyprine Transparency

Similar to their colors, Vesuvianite Idocrase and Kyanite Cyprine 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.