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Vesuvianite Idocrase
Vesuvianite Idocrase

Opal
Opal



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Vesuvianite Idocrase
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Opal

Vesuvianite Idocrase and Opal Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
None

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.700-1.7251.37-1.52
1 3.25
👆🏻

Optic Character

Uniaxial/-
-

Crystal System

-
Trigonal

Birefringence

0.002-0.012-9999
0 0.296
👆🏻

Clarity

Transparent
Transparent

Vesuvianite Idocrase and Opal Optic Character

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

Similar to their colors, Vesuvianite Idocrase and Opal 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.