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Vesuvianite
Vesuvianite

Hureaulite
Hureaulite



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Vesuvianite
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Hureaulite

Vesuvianite and Hureaulite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Vitreous, Greasy

Pleochroism

slight in colored varieties
Colorless yellow to pale rose reddish yellow to reddish brown.Anthony et al

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.703-1.7521.647-1.667
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Birefringence

0.004-0.0060.012
0 0.296
👆🏻

Clarity

-
Transparent

Vesuvianite and Hureaulite Optic Character

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

Similar to their colors, Vesuvianite and Hureaulite 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.