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Vesuvianite Idocrase
Vesuvianite Idocrase

Zoisite
Zoisite



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Vesuvianite Idocrase
X
Zoisite

Vesuvianite Idocrase and Zoisite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent, Opaque . May be translucent in thin backlit sections.

Refractive Index

1.700-1.7251.685-1.707
1 3.25
👆🏻

Optic Character

Uniaxial/-
-

Crystal System

-
Orthorhombic

Birefringence

0.002-0.0120.006-0.018
0 0.296
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Clarity

Transparent
Transparent

Vesuvianite Idocrase and Zoisite Optic Character

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

Vesuvianite Idocrase and Zoisite Transparency

Similar to their colors, Vesuvianite Idocrase and Zoisite 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.