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Rubellite
Rubellite

Vesuvianite Idocrase
Vesuvianite Idocrase



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Rubellite
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Vesuvianite Idocrase

Rubellite and Vesuvianite Idocrase Optical Properties

Optical Properties

Luster

-
-

Pleochroism

Strong: dark red pinkish-redHerve Nicolas Lazzarelli
-

Dispersion

0.020.02
0.005 1
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Transparency

Transparent, Translucent
Transparent

Refractive Index

1.614-1.6661.700-1.725
1 3.25
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Optic Character

-
Uniaxial/-

Crystal System

-
-

Birefringence

0.014-0.0400.002-0.012
0 0.296
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Clarity

Transparent
Transparent

Rubellite and Vesuvianite Idocrase Optic Character

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

Rubellite and Vesuvianite Idocrase Transparency

Similar to their colors, Rubellite 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, Rubellite is Transparent and Translucent while Rubellite is Transparent and Translucent in appearance.