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Vesuvianite
Vesuvianite

Radiolarite
Radiolarite



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Vesuvianite
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Radiolarite

Vesuvianite and Radiolarite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
-

Pleochroism

slight in colored varieties
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.703-1.752-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
-

Birefringence

0.004-0.006-9999
0 0.296
👆🏻

Clarity

-
-

Vesuvianite and Radiolarite Optic Character

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

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