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Sylvite
Sylvite

Sugilite
Sugilite



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Sylvite
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Sugilite

Sylvite and Sugilite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Visible in colored crystals
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent
1.5 Refractive Index
1.49031.607-1.612
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Isometric
Hexagonal
1.8 Birefringence
Not Available0.003
Achroite
0 0.296
1.9 Clarity
Not Available
Translucent

Sylvite and Sugilite Optic Character

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

Sylvite and Sugilite Transparency

Similar to their colors, Sylvite and Sugilite 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, Sylvite is Not Available while Sylvite is Not Available in appearance.