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Vesuvianite
Vesuvianite

Steatite
Steatite



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Vesuvianite
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Steatite

Vesuvianite and Steatite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
-

Pleochroism

slight in colored varieties
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.703-1.7521.539-1.596
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
-

Birefringence

0.004-0.0060.046-0.050
0 0.296
👆🏻

Clarity

-
OpaqueUlrich Henn and Claudio C. Milisenda

Vesuvianite and Steatite Optic Character

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

Similar to their colors, Vesuvianite and Steatite 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.