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Sugilite
Sugilite

Vlasovite
Vlasovite



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Sugilite
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Vlasovite

Sugilite and Vlasovite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Greasy, Vitreous, Pearly
1.2 Pleochroism
Weak
(x): colorless. (y): colorless. (z): colorless.
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Not Available
1.5 Refractive Index
1.607-1.6121.607
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Hexagonal
monoclinic
1.8 Birefringence
0.003Not Available
Achroite
0 0.296
1.9 Clarity
Translucent
Not Available

Sugilite and Vlasovite Optic Character

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

Sugilite and Vlasovite Transparency

Similar to their colors, Sugilite and Vlasovite 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, Sugilite is Translucent while Sugilite is Translucent in appearance.