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Humite
Humite

Vesuvianite
Vesuvianite



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Humite
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Vesuvianite

Humite and Vesuvianite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Resinous

Pleochroism

pale golden yellow or deep golden yellow
slight in colored varieties

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.607-1.6751.703-1.752
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
tetragonal

Birefringence

-99990.004-0.006
0 0.296
👆🏻

Clarity

Transparent
-

Humite and Vesuvianite Optic Character

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

Humite and Vesuvianite Transparency

Similar to their colors, Humite and Vesuvianite 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, Humite is Transparent while Humite is Transparent in appearance.