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Vesuvianite
Vesuvianite

Datolite
Datolite



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Vesuvianite
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Datolite

Vesuvianite and Datolite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Vitreous

Pleochroism

slight in colored varieties
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.703-1.7521.621-1.675
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
monoclinic

Birefringence

0.004-0.0060.044
0 0.296
👆🏻

Clarity

-
Transparent

Vesuvianite and Datolite Optic Character

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

Similar to their colors, Vesuvianite and Datolite 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.